Published in Annals of Carnegie Museum, in 1987, in volume 56, pages 193-196

Published in Annals of Carnegie Museum, in 1987, in volume 56, issue 1, pages 1-73

Published in Annals of Carnegie Museum, in 1987, in volume 56, issue 7, pages 161-171

Published in Annals of Carnegie Museum, in 1987, in volume 56, issue 13, pages 231-243

Published in Annals of Carnegie Museum, in 1987, in volume 56, issue 14, pages 245-251