| Fondo principal | Clave Fondo Principal | Año | Título | Autor 1 | impresorEditor | Acciones |
|---|---|---|---|---|---|---|
| 6.3.1 Obras Bibliográficas editadas entre los siglos XVII y XX. Piso 6 | 631 | 1951 | Librarian of congress: report of the librarian of congres and report of the superintendet of the library bulding and grounds for the fiscal year ending june 30, 1951 | NE | United States Government Printing Office | |
| 6.3.1 Obras Bibliográficas editadas entre los siglos XVII y XX. Piso 6 | 631 | 1952 | Librarian of congress: report of the librarian of congres and report of the superintendet of the library bulding and grounds for the fiscal year ending june 30, 1952 | NE | the library of Congress. Government Printing Office, Washington 25 | |
| 6.3.1 Obras Bibliográficas editadas entre los siglos XVII y XX. Piso 6 | 631 | 1952 | Librarian of congress: report of the librarian of congres and report of the superintendet of the library bulding and grounds for the fiscal year ending june 30, 1952 | NE | the library of Congress; United State. Government Printing Office | |
| 6.3.1 Obras Bibliográficas editadas entre los siglos XVII y XX. Piso 6 | 631 | 1955 | Annual report of the librarian of congres and report of the superintendet of the library bulding and grounds for the fiscal year ending june 30, 1954 | NE | the library of Congress; United State. Government Printing Office | |
| 6.3.1 Obras Bibliográficas editadas entre los siglos XVII y XX. Piso 6 | 631 | 1956 | Feling rules for the dictionary catalogs of the library of congress | NE | processing department. Government Printing Office | |
| 6.3.1 Obras Bibliográficas editadas entre los siglos XVII y XX. Piso 6 | 631 | 1960 | Annual report of the librarian of congres and report of the superintendet of the library bulding and grounds for the fiscal year ending june 30, 1960 | NE | library of Congress; United State. Government Printing Office | |
| 6.3.1 Obras Bibliográficas editadas entre los siglos XVII y XX. Piso 6 | 631 | 1900 | Engineering news and American railway journal | NE | Engieneer News publishins Company | |
| 6.3.1 Obras Bibliográficas editadas entre los siglos XVII y XX. Piso 6 | 631 | 1900 | Engineering news and American railway journal | NE | Engieneer News publishins Company | |
| 6.3.1 Obras Bibliográficas editadas entre los siglos XVII y XX. Piso 6 | 631 | 1901 | Engineering news and American railway journal | NE | Engieneer News publishins Company | |
| 6.3.1 Obras Bibliográficas editadas entre los siglos XVII y XX. Piso 6 | 631 | 1901 | Engineering news and American railway journal | NE | Engieneer News publishins Company | |
| 6.3.1 Obras Bibliográficas editadas entre los siglos XVII y XX. Piso 6 | 631 | 1903 | Engineering news and American railway journal | NE | Engieneer News publishins Company | |
| 6.3.1 Obras Bibliográficas editadas entre los siglos XVII y XX. Piso 6 | 631 | 1902 | Engineering news and American railway journal | NE | Engieneer News publishins Company | |
| 6.3.1 Obras Bibliográficas editadas entre los siglos XVII y XX. Piso 6 | 631 | 1903 | Engineering news and American railway journal | NE | Engieneer News publishins Company | |
| 6.3.1 Obras Bibliográficas editadas entre los siglos XVII y XX. Piso 6 | 631 | 1904 | Engineering news and American railway journal | NE | Engieneer News publishins Company |
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