Hull-less Seeded Pumpkins: A New Edible Snackseed Crop—J. Brent Loy
Production of Pumpkin for Oil—F. Bavec, L. Gril, S. Grobelnik-Mlakar, and M. Bavec
Production, Fruit Quality, and Nutritional Value of Spaghetti Squash—Audrey H. Beany, Peter J. Stoffella, Nancy Roe, and David H. Picha
Midwest Vegetable Production Guide for Commercial Growers 2000
Squash, Pumpkins and Gourds production links
Magness, J.R., G.M. Markle, C.C. Compton. 1971. Food and feed crops of the United States.
Pumpkin
Summer Squash
Winter Squash
Neglected Crops: 1492 from a Different Perspective—J.E. Hernándo Bermejo and J. León (eds.)
Cucurbita moschata
Cucurbita pepo
Growing Cucumbers, Melons, Squash, Pumpkins, and Gourds—Cooperative Extension Service, Purdue University, West Lafayette, Indiana. PDF version
Pumpkin Diseases and Their Control
Zapallo (Winter squash) and Crookneck squash can be found in Lost Crops of the Incas from National Academy Press