Standing on the Walls of Time: Ancient Art of Utah's Cliffs and Canyons. KEVIN T. JONES. Photography by LAYNE MILLER. 2019. University of Utah Press, Salt Lake City. vi + 153 pp. $19.95 (paperback), ISBN 978-1-60781-674-4. P. Schaafsma • 2019
Complementary and Alternative Cardiovascular Medicine: Clinical Handbook (contemporary Cardiology Ser) (contemporary Cardiology) Kelley A. Hays-Gilpin, P. Schaafsma, L.D. Webster, Richard A. Stein • 2006
Complementary and Alternative Cardiovascular Medicine: Clinical Handbook (contemporary Cardiology Ser) (contemporary Cardiology) Kelley A. Hays-Gilpin, P. Schaafsma, L.D. Webster, Richard A. Stein • 2004
Rock Art Studies in the Americas: Papers from the Darwin Rock Art Congress. Jack Steinbrtng ed. Oxbow Monograph 45. David Brown Book Company. Oakville, Connecticut, 1995. v + 186 pp., tables, figures, references. $49.50 (paper). P. Schaafsma • 1997
They Write Their Dreams on the Rock Forever: Rock Writings in the Stein River Valley of British Columbia. Annie York, Richard Daly and Chris Arnett P. Schaafsma • 1994
Prehistoric Rock Art of the Cross Timbers Management Unit, East Central Oklahoma: An Introductory Study. Charles D. Neel and Kenneth Sampson. Archeological Resource Survey Report No. 27. Oklahoma Archeological Survey, University of Oklahoma, Norman, 1986. x + 130 pp., figures, tables, references cited, appendices. $8.50 (paper). P. Schaafsma • 1989
Evidence for the Origins of the Pueblo Katchina Cult as Suggested by Southwestern Rock Art Curtis F. Schaafsma, P. Schaafsma • 1974