Published in Annals of Carnegie Museum, in 1979, in volume 48, pages 103-110

Published in Annals of Carnegie Museum, in 1979, in volume 48, issue 1, pages 1-6

Published in Annals of Carnegie Museum, in 1979, in volume 48, issue 11, pages 185-202

Published in Annals of Carnegie Museum, in 1979, in volume 48, issue 12, pages 203-209

Published in Annals of Carnegie Museum, in 1979, in volume 48, issue 16, pages 287-310

Published in Annals of Carnegie Museum, in 1979, in volume 48, issue 20, pages 377-389