"Canada, Marriages, 1661-1949," index, FamilySearch (https://familysearch.org/pal:/MM9.1.1/F2LK-1ZG : accessed 04 Feb 2013), William Vancamp in entry for Augustus Derrick and Mary Marinda Vancamp, 14 Feb 1872; citing reference p 311, FHL microfilm 1030059.