To 'The Entomological Society of Ontario' from W. Knaus (two receipts), February 7, 1930 and December 1, 1930

To 'The Entomological Society of Ontario' from W. Knaus (two receipts), February 7, 1930 and December 1, 1930, Box: 1, Folder: 28. Warren Knaus correspondence on entomology, RH MS 1394. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/261120 Accessed December 25, 2025.