One address book kept by Harry J. Byers. Includes lists of names and addresses of friends in North America as well as those met overseas. Also includes financial notes, Russian language translation notes, menus, etc.

One item of correspondence from Harry J. Byers to John Boyers (his father in law) dated October 29, 1929. In the letter Harry mentions that he and Violet have recently married and their plans to head to Russia for work.

Diary maintained by Harry J. Byers during his time in Russia from 1930-1931. The diary is titled "Mile stones a five year diary", is ring-bound, and has ca. 202 one-sided leaves, with two days per leaf. The diary includes daily entries detailing general activities, conditions in Russia, places Harry and Violet Byers stayed, meals, sickness and health, agricultural details, how the Grain Trust Russian Five Year Plan was going, details of social activities and events, notes from friends, lists of books read while in Russia, and lists of names and addresses of acquaintances. Some entries are written by Harry's wife Violet and a few include words in Russian.