There are 10 Cessna 337H 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 1977 and 1980.
N337DE
1980 Cessna 337H
Bloomfield Hills, MI
N27CT
1979 Cessna 337H
Chapmansboro, TN
N1360L
1978 Cessna 337H
Sacramento, CA
N746AS
1978 Cessna 337H
San Juan Capo, CA
N745AS
1977 Cessna 337H
San Juan Capo, CA
N1258S
Cessna 337H
Lynnfield, MA
N1365L
Cessna 337H
Azle, TX
N444HR
Cessna 337H
Wuerzburg
N738JR
Cessna 337H
Palm Coast, FL
N76BT
Cessna 337H
Kennesaw, GA