000 00310nam a22000977a 4500
999 _c2749
_d2749
008 180611b ||||| |||| 00| 0 eng d
100 _aAmerican Philatelic Society
245 _aManual of philatelic judging (3rd ed. 1990)
260 _aState College, PA
_bAPS
_c1990
650 _aExhibitions | Judging | Bibliographies