Topic
- Callitriche4
- Cities (general views, etc.); Arboretums; Botanical Gardens; Public Gardens; Parks4
- Cities (general views, etc.); Squares; Plazas; Circles; Forums; Agoras4
- Government Buildings; Government Buildings4
- Military personnel4
- Plantaginaceae4
- Transportation Facilities; Bridges; Aqueducts4
- World War, 1914-19184
- Anarchism3
- Caryophyllales3
- Cities (general views, etc.); Fountains3
- Entertainment/Recreation Facilities; Sports Buildings; Sports Complexes; Stadiums3
- Entertainment/Recreation Facilities; Theaters; Amphitheaters; Movie Theaters; Drive-in Theaters; Odea; Opera Houses; Bandshells3
- History3
- Cities (general views, etc.); Harbors; Riverfronts2
- Cities (general views, etc.); Rivers2
- Commercial Buildings; Bazaars2
- Droseraceae2
- Fungi2
- Lentibulariaceae2