Published in Occasional Papers Museum of Texas Tech University, in 2008, in volume 272, pages 1-15

Published in Occasional Papers Museum of Texas Tech University, in 2008, in volume 273, pages 1-15

Published in Occasional Papers Museum of Texas Tech University, in 2008, in volume 276, pages 1-10

Published in Occasional Papers Museum of Texas Tech University, in 2008, in volume 277, pages 1-15

Published in Occasional Papers Museum of Texas Tech University, in 2008, in volume 280, pages 1-23

Published in Occasional Papers Museum of Texas Tech University, in 2008, in volume 281, pages 1-28

Published in Occasional Papers Museum of Texas Tech University, in 2008, in volume 282, pages 1-3