Creator
- Molesworth, Beatrice1
- Moore, Henry Wadsworth1
- Moore, John D1
- Myers, Harvey, 1828-18741
- Neighborhood Music School (New York, N.Y.)1
- Newcomb, Edgar Allan Poe1
- Nobbs, Percy E (Percy Erskine), 1875-19641
- 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
- R. Guastavino Company1
- Rambusch (Firm)1
- Read, Mary Louise Goodhue1