Examples of color coded file cards used by Helen Creighton when collecting for the National Museum, also photocopies of miscellaneous file cards as processed by Helen Creighton and held at the National Museum - ca. 1950.
Reference: Helen Creighton Nova Scotia Archives MG 1 volume 2809 number 1
Nova Scotia Archives — https://archives.novascotia.ca/creighton/text/
Crown copyright © 2024, Province of Nova Scotia.