Published in Annals of Carnegie Museum, in 1988, in volume 57, pages 91-97

Published in Annals of The Carnegie Museum, in 1988, in volume 57, pages 221-254

Published in Annals of the Carnegie Museum, in 1988, in volume 57, issue 6, pages 155-158

Published in Annals of the Carnegie Museum, in 1988, in volume 57, issue 6, pages 159-166

Published in Annals of the Carnegie Museum, in 1988, in volume 57, issue 6, pages 189-220