Poole's index date and volume key

Manylion Llyfryddiaeth
Prif Awduron:	Bacon, Jean C., Bell, Marion V.
Fformat:	Llyfr
Iaith:	English
Cyhoeddwyd:	Chicago Association of College and Reference Libraries 1957
Cyfres:	ACRL monographs no. 19
Pynciau:	Bell, Marion V. Hepler, John C. Muted voices from the past. Poole's index to periodical literature.