Manufacturing--Philadelphia--20th century Advertising--20th century 1 Courtship and Marriage--20th century 1 Diaries, Religious--18th century 1 Diaries--19th century 1 Diaries--20th century 1 Europe--Description and travel--20th century 1 more ... Family life--Pennsylvania--Philadelphia 1 Family life--Personal correspondence--20th century 1 Labeling--Machines 1 Manufacturing--Paint and Varnish Trade 1 Manufacturing--Philadelphia--19th century 1 Patents--Machinery--20th century 1 Railroad Equipment--20th Century 1 Travel--20th Century 1 Travel--Europe--20th century 1 World War, 1914-1918--Home front 1 World War, 1914-1918--Mobilization and Wartime Manufacturing 1 less ...