Genealogical correspondence 12 Genealogy 10 Pennsylvania--Genealogy 5 Genealogists 4 Genealogy & local history 4 French--Genealogy 3 Family life--Personal correspondence--19th century 2 more ... Alchemy 1 Deeds--17th century 1 Deeds--18th Century 1 Deeds--19th century 1 Deeds--New Jersey 1 Diaries--19th century 1 Diaries--20th century 1 Episcopal Church 1 Family life--Personal correspondence--20th century 1 Family life--Upper Class--Philadelphia--19th and 20th centuries 1 Farm management--Bills--20th Century 1 Farming--Pennsylvania--20th century 1 French Americans--Pennsylvania--Philadelphia--Societies, etc 1 French Americans--Societies, etc 1 Genealogists--Berks County (Pa.)--19th century 1 Genealogists--Research 1 Genealogy--Family trees 1 Genealogy--Potts family 1 Genealogy--Sources 1 Genealogy--Vauclain family 1 Germans--Genealogy 1 Husband and Wife--Correspondence 1 Mathematics--Problems, exercises, etc 1 Medicine 1 Memorials 1 Pennsylvania--Philadelphia--Genealogy 1 Pennsylvania--Radnor Township--Deeds 1 Personal Correspondence 1 Pottstown (Pa.) 1 Pottstown (Pa.)--Genealogy 1 Quakers 1 Suburban Life--Philadelphia--20th Century 1 Suburban homes--Mainline 1 less ...