More specifically, Paul Karasik and Mark Newgarden need help tracking down scans of tearsheets for several Nancy strips for inclusion in the forthcoming standalone expanded edition of How to Read Nancy:
NANCY 6/ 29/55
NANCY 8/8/59
DEBBIE (AKA LITTLE DEBBIE) by Cecil Jensen 6/ 27/ 55
FRITZI RITZ 12/31/30
Any examples of pre-1925 work by Bushmiller
Any MAC THE MANAGER strips (1924)
And, of course, Nancy's first appearance : Fritzi Ritz 1/2/33
Complete details and contact information are at Stripper's Guide. Image ganked from ¡Journalista!