- 2 Delaware River Valley (N.Y.-Del. and N.J.)
- 10 Delaware State Building
- 1 Delaware Township, New Jersey
- 2 Delaware Water Gap, Pennsylvania
- 3 Delegates
- 1 DeLesser-Schneider Co. Cigar Factory)
- 1 Deleuil (Firm)
- 7 Delight (Sculpture)
- 1 Delilah (biblical figure)
- 1 Delivering
- 1 Delta Moss Co.
- 3 Demand (economics)
- 1 Democratic hopes
- 39 Democratic Party
- 113 Demolition
- 10 Demons
- 3 Demonstrations (presentation events)
- 1 Dempster, William R. (William Richardson), 1809-1871
- 1 Denial
- 2 Denis, Saint, Archbishop of Paris, 3rd cent.
- 2 Denman, Thomas Denman, Baron, 1779-1854
- 6 Denmark
- 3 Dennenberg, J. (metals, paper, bottles & rags)
- 1 Dennett's
- 5 Dental equipment & supplies
- 3 Dental offices
- 1 Dental schools (buildings)
- 1 Dentistry
- 2 Dentures
- 1 Denver Steam Laundry
- 8 Denver, Colorado
- 3 Department of Public Comfort
- 43 Department stores
- 2 Departments (organizational units)
- 2 Depictions (visual works)
- 2 Depositions
- 3 Depots (storage)
- 1 Depression (Mental state)
- 2 Depressions
- 2 Depret, Louis (1837 - 1901)