There are 5 Harlow PJC-2 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 1938 and 1941.
N1998J
1941 Harlow PJC-2
Bellevue, WA
N54KC
1940 Harlow PJC-2
Arvada, CO
N65296
1940 Harlow PJC-2
Northampton, MA
N18978
1938 Harlow PJC-2
Flagstaff, AZ
N31PJ
Harlow PJC-2
Goldsby, OK