Select the letter of the choice that identifies the source in which you
    would most likely find the information requested:
    What is the most up-to-the-minute research on lasers?
 a. Webster's Biographical Dictionary              e. New York Times
    b. Information Please Almanac                        Index
    c. Hammond Contemporary World Atlas        f. card catalog
    d. Readers' Guide to Periodical Literature
Select the letter of the choice that identifies the source in which
    you would most likely find the following item:
    The Complete Guide to Furniture Refinishing
a. Young adult and children's section            e. Nonfiction stacks
    b. Reference materials                                     f. Fiction stacks
    c. Audiovisual materials
    d. Newspapers and periodicals