The source is the book "In the service of the red Cross-Walt Disney's early adventures 1918-1919" by David Lesjak for editor -www.ThemeParkPress.com- page 68 to 72 are relating the story with five early Disney drawings including the 2 with rodents. Same story can be find in the catalogue notice for the sale of the drawings in nov 2015 with Auction house Bonhams; Link is "www.bonhams.com/auctions/22486/lot138" with full description of the history of the scrapbook and drawings and US expert Phil Sears Authentication. Notice explains that David R.Smith Chief Archivist Emeritus at the Walt Disney Archives knows about the drawings which were in possession of Virginia Baker, one of Walt's first girl friend. The scrapbook and history was first mentioned in the San Jose Mercury News of 8/21/1977 with title: "Pre-Mickey work in Disney sketches".Kibours (talk) 20:16, 16 January 2021 (UTC)