Branch Librarian.—Term not to be used. See [Librarian-in-Charge].

Chief Assistant.—An officer in charge of a department, subordinate to a Sub-Librarian. If subordinate to a Deputy Librarian the corresponding office would be Librarian-in-Charge.

Senior Assistant.—A higher grade of library assistant.

Junior Assistant.—A lower grade of library assistant.

Attendant.—A person who carries books, and performs other mechanical unskilled routine. If a youth, the term “page” may be used.

Janitor.—An officer (generally in uniform) whose principal duty is to maintain order in the building.

Clerk.—A person employed in general clerking work, not a part of the professional library staff.

Probationer.—An assistant “on trial,” or not permanently appointed, who may or may not be paid.