TY  - BOOK
AU  - National Philatelic Museum
AU  - Poole,Bertram W.H.
AU  - Steele,Donald M.
TI  - 2nd topical stamp exhibition: April 28-June 24, 1951 
T2  - National Philatelic Museum
PY  - 1951///]
CY  - [Philadelphia
PB  - National Philatelic Museum
KW  - Postage stamps
KW  - Topical
KW  - Stamp collecting
ER  -