انتشارات University Of Wisconsin Extension

Growing Currants, Gooseberries, and Elderberries
Teryl R Roper, 1998
Canning meat, wild game, poultry & fish safely
Ingham, Barbara H.; Ingham, Steven C, 2008
Canning fruits safely
Ingham, 2002
Maple (Acer) disorder : maple petiole borer
CF Koval, 1975
Homemade pickles and relishes
Mennes, 1988