He liked to write every address out on an index card, then he would sort and store them in his what?\nOptions:\n- office supply store\n- library\n- address book\n- oral report\n- card catalogue Let's give stream of consciousness first:
User
The organized collection of cards is called card catalogue. He liked to write every address out on an index card, the he would sort and store them in his card catalogue.
Therefore, the answer is card catalogue.
Assistant