1. B) The Encyclopedia of Associations
This publication is a comprehensive directory of more than 20,000 associations, societies, and other non-profit membership organizations in the United States of America.
2. D) Articles on careers published in magazines, newspapers and journals.
These types of publications all come out "periodically" which is why they are known as periodicals and found in a periodical index.
3. D) All of the above
You can search for a book using any of the listed criteria.