Registration list of attendees at the 23rd annual conference of the Minnesota Library Association (MLA), which took place September 15-17, 1915 at Hotel Keewaydin, Lake Minnetonka, Minnesota
Registration list of attendees at the 26th annual conference of the Minnesota Library Association (MLA), which took place September 26-28, 1918 at the Mankato public library in Mankato, Minnesota.
Registration list of attendees at the 27th annual conference of the Minnesota Library Association (MLA), which took place on November 6-7, 1919 in Minneapolis, Minnesota. It is noted on the last page that this was the largest attendance in the history of the association at the time, totaling 140 people.
Registration list of attendees at the 25th annual conference of the Minnesota Library Association (MLA), which took place October 8-10, 1917 at the St. Paul public library in St. Paul, Minnesota.
Registration list of attendees at the 24th annual conference of the Minnesota Library Association (MLA), which took place September 6-8, 1916 at the public library in Virginia, Minnesota