Vintage recipe for Orange Cookies

Orange Cookies
Recipe from Mennonite Community cookbook
1 cup shortening
2 cups of sugar
2 eggs
3 ½ to 4 cups flour
½ tsp salt
1 tsp baking soda
1 tsp baking powder
1 cup sour milk or buttermilk
Juice and grated rind of 1 orange
Cream shortening and sugar together. Add eggs and beat fluffy. Add juice and grated rind of the orange.
Sift flour and add soda, and baking powder, sift again. Add sifted dry ingredients alternately with sour milk to creamed mixture. Mix thoroughly. Drop by teaspoonfuls onto greased baking sheet about 2 inches apart. Bake at 375 degrees for about 12 minutes. Make 6 dozen. Spread with frosting while warm.