Conservatory Annex The Conservatory Annex and driveway to parking for the Conservatory, with the Bertram and Judith Kohl building in the background. Photo credit: Gao Menglin ’12 The offices of Conservatory Admissions and Conservatory Communications are on the second floor of the Conservatory Annex, directly east of Bibbins Hall. The Oberlin College Bookstore is housed on the first floor of the building.