Published in OCCASIONAL PAPERS THE MUSEUM TEXAS TECH UNIVERSITY, in 1990, in volume 133, pages 1-18

Published in Occasional Papers Museum of Texas Tech University, in 1990, in volume 134, pages 1-8

Published in Occasional Papers Museum of Texas Tech University, in 1990, in volume 135, pages 1-15

Published in Occasional Papers Museum of Texas Tech University, in 1990, in volume 136, pages 1-32