In a medium saucepan, mix together lemon juice, lemon rind, orange juice, orange rind, 1 1/4 cup water, sugar, and raisins. Bring to a boil over low heat, stirring occasionally.
In a small bowl, mix flour and 1/2 cup water to a smooth paste. Slowly stir into raisin mixture. Cook an additional 5 minutes, stirring constantly. Pour mixture into pastry-lined pan. Cover with top crust. Seal edges and cut steam vents in top.
Bake in preheated oven for 40 minutes, until crust is golden brown.