File consists of a portrait of the Breithaupt family. Seen from left to right: Fred, Maria, Rudolph seated with father Albert, mother Louisa standing.

File consists of a portrait of Fred and Maria Breithaupt.

File consists of six pieces of correspondence written to Albert from Louisa. Includes one undated inclusion from Marie.

File consists of a Canadian Pocket Diary for 1902 belonging to A.L. Breithaupt. Daily entries, including time at laboratory. Includes cash accounts. Of note is Breithaupt's recording of his height as 5'8 1/2" and his weight as 136 pounds, and the birth of his daughter, [Maria], on December 15.

Two copies of a postcard featuring a photograph of a group of five children on a cart with vegetation in the background.

According to annotations, people in photograph are: Carl Louis Breithaupt, Walter Hailer Breithaupt, Maria Martha Louise Martin, Frieda Breithaupt, and Helena Esther Breithaupt.

Photograph of seven children sitting down on a bench.

According to annotations, people in photograph are: John Edward Breithaupt, Grace Melvina Louise Augustine, Freida Caroline Harris, Carl Louis Breithaupt, Maria Martha Louise Martin, Laurine Catherine Augustine, and Albert William Augustine.