000 00293nam a22000977a 4500
999 _c2747
_d2747
008 180611b ||||| |||| 00| 0 eng d
100 _aAmerican Philatelic Society
245 _aManual of philatelic judging (1st ed. 1981)
260 _aState College, PA
_bAPS
_c1981
650 _aExhibitions | Judging