Theatrical productions 280 Drama 229 Actors 162 Musical revues & comedies 147 Actresses 137 History 48 Operas & operettas 44 more ... Minstrel shows 34 Circuses & shows 30 Comedians 27 Lithography 26 Singers 26 Musicians 25 Description and travel 24 Railroads 19 Lithography, American 15 Streets 15 Burlesque shows 13 African Americans 12 Wild west shows 10 Caricatures 8 Indians of North America 8 Social life 8 Horses 7 American wit and humor 6 Industries 6 Lithographers 6 Lithographs, American 6 Natural history 6 Philadelphia 6 Real property 6 Trained animals 6 Transportation 6 Ballet 5 Catalogs 5 Coal mines and mining 5 Dogs 5 Drowning 5 Music 5 Anthracite coal 4 less ...