Series consists of a letter dated April 6, 1939, to Matti Kantokoski from E.D. Wilkins, Clerk of the Peace, with his Certificate of Naturalization (dated March 30, 1939) attached; and a certificate of greetings from the Imperial Order Daughters of the Empire (I.O.D.E.) to Matti Kantokoski on the occasion of him becoming a British subject and Canadian citizen by naturalization in Sudbury, Ontario.

One photograph of Matias (Matti) Niilo Kantokoski (Koski) and his wife Anna Milia Kantokoski (Koski) taken in Finland. The photographer was Y. Pyhalanhti.

One annotated print copy of a black and white photograph of Juho (John) Heikki Kantokoski (1888-1957), son of Matti Nikolai Kantokoski. In Sudbury he worked with his brother Matias (Matti) Niilo Kantokoski in the Prince Arthur Café.

One annotated print copy of a black and white photograph of Matias (Matti) Niilo Kantokoski (Koski) with his wife Anna Milia (nee Koivula) and their daughter Eeva Annikki and son Veikko Vesa.

One annotated print copy of a black and white photograph of Matias (Matti) Niilo Kantokoski (Koski) with his second wife Laura Siltanen whom he married on September 25, 1938 in Copper Cliff, Ontario.

One annotated print copy of a black and white photograph of Matias (Matti) Niilo Kantokoski (Koski) with two of his sisters; Saima (Saimi) Susanna Pellikka (left), who settled in Sudbury, Ontario and Lempi Maria Buerala (centre).

One annotated print copy of a photograph of the Maki and Kantokoski families. In the front row from left to right are: Oscar Maki, Julia Maki (holding baby Lilja Maki), Eeva Annikki Kantokoski, Anna Kantokoski, and Veikko Vesa Kantokoski. In the back row are Oiva Maki, Oscar Maki, and Matti Kantokoski.

One annotated print of a black and white photograph of Matti Kantokoski (centre) standing outside of the Prince Arthur Café with two other men and his daughter Eeva Annikki.

One annotated print of a black and white photograph of Anna Kantokoski (fourth from left) and Matti Kantokoski (fifth from left) standing with a logging crew in front of a log cabin. Their children Veikko Vesa (left) and Eeva Annikki (right) are standing in front of them.

One annotated print of a black and white photograph of Matti Kantokoski standing with two logging horses.