"Reasons for Variation in Milk production of Goats" by Ronnigen, Knut, 1964

"Reasons for Variation in Milk production of Goats" by Ronnigen, Knut, 1964, Box: 4, Folder: 30. Personal papers of John "Jack" A. Weir, PP 404. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/261366 Accessed December 25, 2025.