MS. COLL. 269 (Collip), Box 37, Folder 1
This item originally contained in scrapbook compiled by Barbara Collip-Wyatt.
Annotated: 'The procedure for extracting insulin was written by Dr. Collip and left in possession of his wife in case something should happen to him ... Mrs. Collip kept this sheet in an envelope, on which she wrote 'original Collip process for preparing insulin. Dec 22/21.''
This is the only known extant laboratory note written by Collip relating to his Toronto research.
Title taken from first line of text.