| Library of Congress. |
| Library of Congress. |
| Library of Congress. |
| Library of Congress. Main Exhibition Hall, Secon Floor. North. |
| Library (The) of Congress. Reference deparment. |
| Library of Congress. |
| Library of Congress. |
| Library of Congress. |
| Library of Congress. Washington |
| Library of Congress. Washington |
| Library of Congress. |
| Library of Congress. |
| Library of Congress. |
| Library of Congress. |
| Library of Congress. |
| Library of Congress. |
| Library of Congress of Washington |
| Library of Congress. |
| Library of Congress, Washington |
| Library of Congress. Washington [Periodical Division] |
| Library (the) of Congress. [Subject Cataloging Division] |
| Library of Congress. |
| Library literature 1921-1932. |
| Library Literature 1933-1935. |
| Library of the University of Cincinnati |