| .245 | |
| a | Annual report of the librarian of congress for the fiscal year ending June 30, 1948 |
| h | Buku-Bacaan Pengaya Nonfiksi |
| .100 | |
| a | THE LIBRARY OF CONGRES |
| .005 | |
| a | 20150623103504 |
| .260 | |
| a | Washington, D.C. |
| b | The Library of Congress |
| c | 1949 |
| .041 | |
| a | Inggris |
| .084 | |
| a | 027.573 LIB |
| .300 | |
| a | 199 halaman : gambar, tabel |
| b | 27 centimeter |
| c | 199 halaman : gambar, tabel ; 27 centimeter |
| .336 | |
| a | Buku-Bacaan Pengaya Nonfiksi |