Author
Pennsylvania. Dept. of Agriculture. Dairy and Food Division
4
Pennsylvania. Dept. of Forestry
3
Pennsylvania State Beekeepers' Association
2
Pennsylvania State Poultry Association
2
Pennsylvania Dairymen's Association (founded 1925)
1
Pennsylvania. Board of Fish Commissioners
1
Pennsylvania. Commissioners of Fisheries
1
Pennsylvania. Dept. of Agriculture. Bureau of Foods
1
Pennsylvania. Dept. of Fisheries
1
Pennsylvania. State Commissioners of Fisheries
1