My Old New Haven and Other Memories Briefly Told, by Jane Bushnell Shepherd.Jane (Bushnell) Mrs. Shepherd1932
Whole stand volume tables for quaking aspen in the Rocky Mountains / Wayne D. Shepperd and H. Todd Mowrer.Wayne D. Shepperd1984
Site index curves for aspen in the central Rocky Mountains / Carleton B. Edminster, H. Todd Mowrer, and Wayne D. Shepperd.Carleton B. Edminster1985