Published in Occasional Papers Museum of Texas Tech University, in 2001, in volume 204, pages 1-11

Published in Occasional Papers Museum of Texas Tech University, in 2001, in volume 205, pages 1-3

Published in Occasional Papers Museum of Texas Tech University, in 2001, in volume 206, pages 1-11

Published in Occasional Papers Museum of Texas Tech University, in 2001, in volume 207, pages 1-11

Published in Occasional Papers Museum of Texas Tech University, in 2001, in volume 208, pages 1-4

Published in Occasional Papers Museum of Texas Tech University, in 2001, in volume 210, pages 1-7

Published in Occasional Papers Museum of Texas Tech University, in 2001, in volume 211, pages 1-31