cam a22 4500 215880544 CHVBK 20200617030650.0 h| |||||||||| 940831r19851914sz |||||||||| 00 |eng d (RERO)1902355 RERO gevcjb s1bo rero Hopkins Lewis Sylvester (RERO)A003382610 aut The ferns of Allegheny County, Pennsylvania, their haunts and habits and something of their folklore by Lewis S. Hopkins Zug IDC 1985 2 MICROFICHES réduction 18x A6 txt rdacontent h rdamedia he rdacarrier Reprod. sur microfiches de l'éd. de: Pittsburgh : Botanical Society of Western Pennsylvania, 1914 BK020001 XK020000 XK020000 RERO RE61003 RE61003 RE610030002 M Hop BOTM 309 2 VOL RERO 100 1- Hopkins Lewis Sylvester (RERO)A003382610 aut