National Philatelic Museum
2nd topical stamp exhibition : April 28-June 24, 1951 / under auspices of Topical Philatelists, Inc. ... [et al.] ; Second Topical Stamp Exhibition Committee, Bertram W.H. Poole ... [et al.] ; National Philatelic Museum Exhibition Committee, Donald M. Steele ... [et al.]. - [Philadelphia : National Philatelic Museum, 1951] - National Philatelic Museum ; v. 3, no. 2 .
Postage stamps
Topical
Stamp collecting
Stamp collecting.
2nd topical stamp exhibition : April 28-June 24, 1951 / under auspices of Topical Philatelists, Inc. ... [et al.] ; Second Topical Stamp Exhibition Committee, Bertram W.H. Poole ... [et al.] ; National Philatelic Museum Exhibition Committee, Donald M. Steele ... [et al.]. - [Philadelphia : National Philatelic Museum, 1951] - National Philatelic Museum ; v. 3, no. 2 .
Postage stamps
Topical
Stamp collecting
Stamp collecting.