Published in Occasional Papers Museum of Texas Tech University, in 2003, in volume 220, pages 1-27

Published in Occasional Papers Museum of Texas Tech University, in 2003, in volume 221, pages 1-16

Published in Occasional Papers Museum of Texas Tech University, in 2003, in volume 223, pages 1-8

Published in Occasional Papers Museum of Texas Tech University, in 2003, in volume 225, pages 1-3

Published in Occasional Papers Museum of Texas Tech University, in 2003, in volume 226, pages 1-11

Published in Occasional Papers Museum of Texas Tech University, in 2003, in volume 227, pages 1-12

Published in Occasional Papers Museum of Texas Tech University, in 2003, in volume 228, pages 1-8

Published in Occasional Papers Museum of Texas Tech University, in 2003, in volume 229, pages 1-23