- Billings, John S. 1838-19131
- Biltmore (Hotel : New York, N.Y.)5
- Binding - Signed - Sangorski, Francis & Sutcliffe, George (1901- ) binders1
- Bingham, Anson1
- Birmingham, Stephen1
- Bischoff, Henry, 1852-19131
- Bischoff, Ilse, 1901-19901
- Bishop, Joseph Bucklin, 1847-19281
- Bishop, William Henry, 1847-19281
- Black, Alexander, 1859-19401
- Black, George Ashton, 1855-2
- Black, George Fraser, 1866-19481
- Black, Starr & Frost (N.Y.)1
- Blaisdell, A. G1
- Blake, E. Vale 1817-19041
- Blake, William J1
- Blanchard Press1
- Blanchard, Isaac H1
- Bletter, Rosemarie Haag1
- Bloom, Nathan1
- Bloomingdale's (Firm)3
- Blucher, Walter H. 1901-1
- Blumenthal, W. Michael, 1926-1
- Blunt, Edmund M. 1770-18621
- Board of General Managers of the Exhibit of the State of New York at the World's Columbian Exposition1
- Board of Governors of the Federal Reserve System (U.S.)1
- Bockman, Eugene J1
- Bodenheim, Maxwell, 1893-19541
- Bogard, Milo T1
- Bogardus, Nathaniel1
- Boggs, Kenneth L1
- Boldt, George C., 1851-19161
- Bolton, Cornelius Winter, 1819-19061
- Bolton, Reginald Pelham, 1856-19427
- Bolton, Robert, 1814-18771
- Bolton, Theodore, 1889-19731
- Book Manufacturers' Institute (U.S.)1
- Booth, Ballington, 1857-19401
- Borden & Cain Press1
- Boston (Mass.). Mayor's Task Force on Urban Theatres1
- Boswell, John, 1945-1
- Botein, Bernard1
- Boucicault, Dion, 1820-18901
- Boughton, Willis, 1854-19421
- Bourne, Wm. Oland 1819-19011
- Boutillier Brothers1
- Bowen, Clarence Winthrop, 1852-19352
- Bowery Savings Bank of New York1
- Bowman, John McE., 1875-19311
- Boyd, William H1
- Boyer, R. L1
- Boys' Club of New York1
- Brace, Charles Loring, 1826-18901
- Bradford, William, 1663-17522
- Bradish, Luther, 1783-18631
- Bradley, David L1
- Brady, Katherine Lydig1
- Bragg, Whittemore & Massey (Firm)1
- Brainerd, Cephas, 1831-19101
- Braislin, William C. 1865-19481