GREEN, WILLIAM, GORDON SWANBOROUGH, W. R. MATTHEWS, DENNIS PUNNETT, JOHN WEAL Air Enthusiast Volume One

RYAN, PAM MUNOZ Amelia and Eleanor Go for a Ride

POINT The Coevolution Quarterly, No. 10 Summer 1976

BRYANT, HAROLD CHILD California: Outdoor Heritage

SUMNER, CID RICKETTS (PSEUDONYM OF BERTHA LOUISE RICKETTS) Tammy out of Time