- Architecture and society--United States (1)
- Architecture--United States--20th century (1)
- Decoration and ornament--Art nouveau--Belgium--Exhibitions (1)
- Horta, Victor, baron, 1861-1947--Travel--United States (1)
- Posters, Belgian--Exhibitions (1)
- Posters--Belgium--Brussels--Exhibitions (1)
- Posters--Private collections--Belgium--Brussels--Exhibitions (1)
- Urban renewal--United States (1)
- Wittamer-De Camps, L.--Art collections--Exhibitions (1)
- Wittamer-De Camps, Louis, Mme--Art collections--Exhibitions (1)