Creator
- Olmsted, Frederick Law, 1870-19571
- Parker, Gilbert, 1862-19321
- Peabody, Slosson & Smyth1
- Pease & Elliman1
- Perry, James DeWolf1
- Philbin, Thomas G1
- Phillips, John S (John Sanburn), 1861-19491
- Polk, Willis, 1867-19241
- Pond, Irving K (Irving Kane), 1857-19391
- Poole, Ernest, 1880-19501
- Rambusch Glass and Decorating Company1
- Rambusch, Frode Christian Vladimar, 1858-1
- Read, Mary Louise Goodhue1
- Repplier, Francis Ewing1
- Richards, Henry, 1848-19491
- Robb, E. Donald1
- Root, Elihu, 1845-19371
- Ryerson, Martin A1
- Ryerson, Martin W1
- Sabine, Wallace Clement1