Michael Caminetsky was born in Russia. In 1882, he immigrated to and settled in Winnipeg, Canada. He was a founder of two synagogues in Winnipeg: Shaarey Zedek (1890) and Rosh Pina (1892).
The collection consists primarily of personal and legal documents from Michael Caminetsky's life in Imperial Russia, including his Russian language army registration (1876), his family's merchant license (1869), a death certificate for a family member (possibly a brother), a passport from 1872, a subpoena to bear witness on behalf of "Citizen Keisel Verman" (1873), a promissory note (1774), a certificate from the Czar granting permission to travel within Russia, a birth certificate for Caminetsky's son, a circumcision document for Itsco Aaron (1874), a certificate of Caminetsky's partnership in a bakery business with Volka Pinchus Ruvinovitch (1881). Also contains a copy of a genealogy that was compiled by Leon Cam, his grandson, in 1970, and a few letters exchanged during World War I between Frank, Sam, and Max Rodin (Michael Caminetsky's granddaughter Gertrude married into the Rodin family).