There are 3 North American HARVARD MKII aircraft on the U.S. registry that TailWiki has a page for. Every one is built from the public FAA record — year, serial, engine, home base, and registration history — and owners and pilots add photos, trips, and stories on top. The ones listed here were built between 1940 and 1941.
N424DM
1941 North American HARVARD MKII
Battle Ground, WA
N99NS
1941 North American HARVARD MKII
Torrance, CA
N97AW
1940 North American HARVARD MKII
Auburn, CA