Beat in eggs and vanilla. Beat in pumpkin.
In separate bowl, mix together flour, baking powder, baking soda, salt and spices. Stir flour mixture into creamed mixture.
Stir in dates, raisins and nuts. Drop by tablespoonfuls onto greased baking sheets.
Bake in 375ºF oven for 12 to 15 minutes, or until lightly browned.
Let cool for a few minutes on baking sheet, then remove to rack to cool completely. Store in airtight container; can be frozen.
Makes about 4 dozen cookie.