| This is a review paper dealing with- the certification of librarians in the United States during the years 1907— 1924. After a brief introduction, the preliminary history of certification, ALA actions, and Charles C. Williamson's activities are summarized. The reasons for the delay in the national certification of librarians are discussed. Finally, a proposal for a further study on the topic is recommended. A list of some historical events of the subject is appended at the end of the paper. |