At Guelph the HDRU works closely with:
the Centre for Scottish Studies
the Rural History Group
the Data Resource Centre
Food, Agricultural and Resource Economics
the Economics Department.

Internationally Unit members collaborate with:
Minnesota Population Center
UK History Data Archive
Norwegian Historical Data Centre
University of Umeå Center for Population Studies
Historical Sample of the Netherlands
Université de Montréal 1852 and 1881 Census Projects
Canada Century Research Infrastructure Project
FamilySearch Historical Reconstitution
Founders and Survivors Project at the University of Melbourne and University of Tasmania
Research Institute of Irish and Scottish Studies at the University of Aberdeen
Colleagues in the Economics Departments at the University of Canterbury and Queens University and the Department of Economic History at the London School of Economics.

created December 2010