Kirkwood, V., Dumanski, J., MacDonald, K.B., Stewart, R.B., and Gronas, B. 1982. The land potential data base for Canada. User's Handbook. Research Branch, Agriculture Canada, Ottawa.
Dumanski, J., Bootsma, A., and Kirkwood, V. 1986. A geographic analysis of grain corn yield trends in Ontario using a computerized land information base. Can. J. Soil Sci. 66:481-497.
Dumanski, J., Zeng, Z.Y., and Kirkwood, V. 1988. Assessing the physical land flexibility of the prairie region of western Canada. In: Dumanski, J. and Kirkwood, V. (Eds.) Crop production risks in the Canadian prairie region in relation to climate and land resources. Research Branch, Agriculture Canada, Ottawa.
Dumanski, J. and Kirkwood, V. (Eds.) 1988. Crop production risks in the Canadian prairie region in relation to climate and land resources. Research Branch, Agriculture Canada, Ottawa.
Kirkwood, V., Dumanski, J., Bootsma, A., Stewart, R.B., and Muma, R. 1989. The land potential data base for Canada, Users' handbook (revised). Research Branch, Agriculture Canada, Ottawa.
Huffman, E.C., Hiley, J., Kirkwood, V., and Toogood, K. 1992. Assessment of cropping systems in Manitoba using agroecological resource regions. Research Branch, Agriculture Canada, Ottawa.
Cann, M.A., Dumanski, J. and Brklacich, M. 1992. Kirkwood, V. (Ed.) The impacts of soil degradation on crop yields in the Canadian prairies: An annotated bibliography. Research Branch, Agriculture Canada, Ottawa.
Kirkwood, V., Bootsma, A., De Jong, R., Dumanski, J., Hiley, J.C., Huffman, E.C., Moore, A., Onofrei, C., Pettapiece, W.W., and Vigier, B. 1993. Agroecological Resource Area Databases for the Prairies: User's Manual. Research Branch, Agriculture Canada, Ottawa.
Dumanski, J., Gregorich, L.J., Kirkwood, V., and Cann, M.A. 1994. The Status of Land Management Practices on Agricultural Land in Canada. Research Branch, Agriculture and Agri-Food Canada, Ottawa.
Brklacich, M., Stewart, R.B., Kirkwood, V., and Muma, R. 1994. Effects of Global Climate Change on Wheat Yields in the Canadian Prairies. In: Rosenzweig, C. and Parry, M. (Eds.) Implications of Climate Change for International Agriculture: Crop Modeling Study. United States Environmental Protection Agency, Global Climate Change Division, Office of Policy Analysis, Washington, D.C.
Neave, P., Kirkwood, V, and Dumanski, J. 1995. Review and Assessment of Available Indicators for Evaluating Sustainable Land Management. Research Branch, Agriculture and Agri-Food Canada, Ottawa.
Dumanski, J., Desjardins, R.L., Tarnocai, C., Monreal, C., Gregorich, E.G., Campbell, C.A., and Kirkwood, V. 1995. Possibilities for Future Carbon Sequestration in Canadian Agriculture in Relation to Land Use Changes. Climate Change.
Kirkwood, V., and Dumanski, J. 1995. Indicators of Sustainability Based on Expert Prairie Farmer Knowledge. PARI (Parkland Agriculture Research Initiative) Workshop, Saskatoon, Saskatchewan.
Dumanski, J., Desjardins, R.L., Tarnocai, C., Monreal, C., Gregorich, E.G., Campbell, C.A., Kirkwood, V. 1996. Possibilities for future carbon sequestration in Canadian Agriculture in relation to land use changes. Clim. Change 40:81-103.
De Jong, R., Yang, J.Y., Drury,C.F., Huffman, T., Kirkwood, V., Yang, X.M. 2005. Indicator of Water Contamination by Nitrogen (IROWC-N). In: A. Lefebvre (Ed) Agri-Environmental Indicators Report. Agriculture and Agri-Food Canada (Ottawa: AAFC), 2005. Ontario Chapter 17, pp. 175-186.
Drury, C.F., Yang, J.Y., De Jong, R., Huffman, T., Kirkwood, V., Yang, X.M., Reid, R. 2005. Nitrogen use efficiency. In: A. Lefebvre (Ed) Agri-Environmental Indicators Report. Agriculture and Agri-Food Canada (Ottawa: AAFC), 2005. Ontario Chapter 9, pp. 99-110.
Yang, J.Y., Huffman, E.C., De Jong, R., Kirkwood, V., MacDonald, K.B., Drury, C.F., 2006. Residual soil nitrogen in soil landscapes of Canada as affected by land use practices and agricultural policy scenarios. Land Use Policy 24 (2007) pp. 89-99.
De Jong, R., Yang, J.Y., Drury,C.F., Huffman, T., Kirkwood, V., Yang, X.M. 2006. Indicator of Risk of Water Contamination by Nitrate-Nitrogen. Canadian Journal of Soil Science 87: 179-188
Drury, C.F., Yang, J.Y., De Jong, R., Yang, X.M., Huffman, E.C., Kirkwood, V. and Reid, K. 2006. Residual soil nitrogen indicator for agricultural land in Canada. Canadian Journal of Soil Science 87 166-177.
Huffman, T., Yang, J.Y., Drury, C.F., De Jong, R, Yang, X.M., Liu, Y.C., Kirkwood, V. 2006. Developing a Canadian Manure and Fertilizer Nitrogen database for Crops at the Soil Landscape of Canada Using the CANB v2.0 Model. Progress report, August 2006
Yang, J.Y., De Jong, R., Drury, C.F., Huffman, E.C., Kirkwood, V. and Yang, X.M. 2007. Development of a Canadian Agricultural Nitrogen Budget (CANB v2.0) model : simulation of the nitrogen indicators and integrated modelling for policy scenarios. Canadian Journal of Soil Science 87 153-165.
Yang, J.Y., Huffman, E.C., De Jong, R., Kirkwood, V., MacDonald, K.B. and Drury, C.F. 2007b. Residual soil nitrogen in soil landscapes of Canada as affected by land use practices and agricultural policy scenarios. Land Use Policy 24: 89-99.
Yang, J.Y.,Huffman, T, Drury, C.F., De Jong, R.,Yang, X.M., Liu, Y.C. and Kirkwood, V. 2007. Estimating manure N losses from storage systems and land application across Canada. Presentation in CSSS-AQSSS meeting 2007, June 3-7, Quebec.
Drury, C.F., Yang, J.Y., De Jong, R., Yang, X.M., Reid, K., Duke, C., Stewart, G., Huffman, T., Lapen, D. and Kirkwood, V. 2007. Validating the Canadian residual soil nitrogen indicator with on-farm data. Presentation in CSSS-AQSSS meeting 2007, June 3-7, Quebec.
Yang, J.Y., Drury, C.F., Yang, X.M., De Jong, R., Huffman, E.C., Campbell, C.A. and Kirkwood, V. 2010. Estimating Biological N2 Fixation in Canadian Agricultural Land using Legume Yields, Agr, Ecosystems and Environment.,Volume 137, Issues 1-2, 15 April 2010, Pages 192-201
Kirkwood,V. 2010. Limerick Forest 1940 - 2010. United Counties of Leeds and Grenville. pp 32
Hammill, S., Kirkwood, V. and McVey, G. 2015. The Nature of Limerick Forest. United Counties of Leeds and Grenville. pp. 36.
Yang, J.Y., Huffman, E.C., De Jong, R., Drury, C., and Kirkwood, V. Canadian Agriculture Nitrogen Budget (CANB) model for estimating nitrogen indicators. Poster in: 2004 ASA-CSSA-SSSA-CSSS annual meetings, Oct. 31 - Nov. 4, 2004, Seattle, Washington 2004.
Yang, J.Y., Drury, C., Huffman, E.C., De Jong, R., Kirkwood, V., Lui, Y., Chen, F. and Yang, X. Comparison of Residual Soil Nitrogen using the Canadian Agriculture Nitrogen Budget (CANB) model and the OECD-N model. 2004.
Drury, C.F., Yang, J.Y., De Jong, R., Huffman, E., Kirkwood, V., Yang, X.M., Reid, K., Duke, C., Stewart, G., Lapen, D. 2006. Residual Soil Nitrogen Verification Project. Oral presentation in NAHARP workshop, Jan. 31- Feb. 1, 2006, Ottawa, ON.
Drury, C.F., Yang, J.Y., De Jong, R., Huffman, E., Kirkwood, V., Yang, X.M., Reid, K. 2006. Residual Soil Nitrogen & IROWC-N Indicators. Oral presentation in NAHARP workshop, Jan. 31-Feb. 1, 2006, Ottawa, ON.
Yang, J.Y., De Jong, R., Drury , C.F., Huffman, E., Kirkwood, V., Yang, X.M. 2006. Landscape Modelling of Residual Soil Nitrogen and Non-Growing Season Nitrogen Leaching Using a Canadian Agricultural Nitrogen Budget Model (CANB v2.0). Poster in: 18th World Congress of Soil Science, July 9-15, 2006 - Philadelphia, Pennsylvania, USA.
Drury, C.F., Yang, J.Y., De Jong, R., Yang, X.M., Huffman, T., Kirkwood V., Reid, K. The Canadian Agri-Environmental Indicators for Nitrogen: Residual Soil Nitrogen and the Risk of Water Contamination by Nitrate-N. Poster in: 18th World Congress of Soil Science, July 9-15, 2006 - Philadelphia, Pennsylvania, USA.
Yang, J.Y., De Jong, R., Drury, C.F., Huffman, T., Kirkwood, V., Yang, X.M., 2006. Agricultural Environmental Health and Sustainable Development: - Simulation of Residual Soil Nitrogen (RSN) and Risk of Indicator of Water Contamination by Nitrogen (IROWC-N) using Canadian Agricultural Budget Model v2.0. Poster: Canada-China Agri-Science and Innovation (CCASI) Pavilion at the China Agricultural High-Tech Fair (CAF) 2006: Nov 5-9. Yangling, Shaanxi China (In Chinese)
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LCDHClub Education Day,at Aden Freeman's. in The Draft Horse Connection. Summer 2008, Year 13, Issue 49.
Leeds County Draft Horse Club Spring Field Day, 2008. in The Draft Horse Connection. Summer 2008, Year 13, Issue 49.
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Ottawa-Carleton Plowing Match in Canadian Belgian Banner, Fall 2008.
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Leeds County Draft Horse Club Spring Field Day, 2009. in The Draft Horse Connection. Fall 2009, Year 14, Issue 54.
Grand Thurso Sleigh Ride 2009. in Rural Heritage Magazine, Volume 34, Number 6, Holiday 2009.
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Horse Lovers' Weekend at Upper Canada Village. in The Draft Horse Connection. Winter 2010-2011, Year 15, Issue 59.
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Horse Auction, Upper Canada Village Style in The Draft Horse Connection. Fall 2011, Year 16, Issue 62.
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Draft Horses Work to Ease World Hunger in Rural Heritage Magazine, Volume 39, Issue 4, August/September 2014.
Valerie Kirkwood's Photography in Genesis, the Journal of Rare Breeds Canada, Vol. 29 No. 3, Summer 2014.
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Celebrating 350 Years of the Canadian Horse in Rural Heritage Magazine, Volume 40, Issue 6, Winter 2015/Spring 2016.
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Threshing Days During Three Years of Pandemic in Rural Heritage Magazine, Volume 48, Issue 3, June/July 2023.
Competing Farriers in Rural Heritage Magazine, Volume 49, Issue 3, June/July 2024.
Learning about makeup wardrobe and choreography involved in "Patience". The Kemptville Weekender, Friday April 7, 2006.
Bringing the Production Together with Costumes and Orchestra. The Kemptville Weekender, Friday April 28, 2006.
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Leeds County Draft Horse Field Day. in The Rider. Vol. 36, No. 1, July 2005.
The Nature of Limerick Forest United Counties of Leeds and Grenville, September 2015. 36 pp. by Stewart Hamill, Valerie Kirkwood and Geoff McVey.
How To Organize a Small Horse Show, 2012, in e-book format on Smashwords.com
Because I Can still Find the Beauty, 2024, self-published book of photography and poetry. ISBN 978-0-9879031-5-0.
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