| Babcock, Stephen Moulton |
0651 |
| Bache, Alexander Dallas |
0182, 0232, 0296, 0314, 0379, 0380, 0440 |
| Baekeland, Leo H. |
0868 |
| Bailey, Liberty Hyde, Jr. |
0617, 0806 |
| Bailey, Solon Irving |
0666 |
| Baird, Spencer Fullerton |
0345, 0441, 0612 |
| Baldwin, James Mark |
0696 |
| Ballard, Harlan H. |
0475 |
| Bancroft, Wilder Dwight |
0718 |
| Barnard, Edward Emerson |
0670 |
| Baron, George |
0048 |
| Barringer, Daniel |
0830 |
| Barton, Benjamin Smith |
0021, 0022, 0042, 0052, 0055 |
| Bartram, William |
0004, 0042 |
| Bauer, Louis Agricola |
0719, 0815 |
| Beach, Alfred |
0247 |
| Beal, Foster E.L. |
0546 |
| Beaumont, William |
0129 |
| Bell, Alexander Graham |
0493, 0568 |
| Bellevue Hospital medical school (New York) |
0519 |
| Benedict, Francis Gano |
0863 |
| Berg, Ernst J. |
0729 |
| Berkshire Agricultural Society |
0067 |
| Bessey, Charles Edwin |
0536, 0689 |
| Bigelow, Jacob |
0080, 0151 |
| Billings, John Shaw |
0525, 0533 |
| Binney, William G. |
0156 |
| Biological Bulletin |
0744 |
| Bird Lore |
0745 |
| Blake, William P. |
0294 |
| Boas, Franz |
0672, 0731 |
| Boltwood, Bertram Borden |
0811, 0860 |
| Bonaparte, Charles Lucien |
0133 |
| Bond, George Phillips |
0267, 0269, 0289, 0369 |
| Bond, William Cranch |
0201, 0267, 0289, 0290, 0357 |
| Booth, James Curtis |
0187 |
| Boss, Lewis |
0847 |
| Boston Nutrition Laboratory |
0863 |
| Boston Society of Civil Engineers |
0276 |
| Boston Society of Natural History |
0080, 0154, 0362 |
| Botanical Gazette |
0477 |
| Botanical Society |
0693, 0850 |
| Botanical Society of America |
0804, 0850 |
| Bowditch, Henry Pickering |
0444, 0454, 0588 |
| Bowditch, Nathaniel |
0036, 0059, 0061, 0147 |
| Brace, DeWitt Bristol |
0821 |
| Brashear, John A. |
0547 |
| Brewster, William |
0566 |
| Briggs, Lyman James |
0844 |
| Britton, Elizabeth Knight |
0662, 0733, 0790 |
| Britton, Nathaniel Lord |
0662 |
| Brooklyn Bridge |
0572 |
| Brooks, Alfred Hulse |
0645 |
| Brooks, William Keith |
0746 |
| Brown, Amos Peaslee |
0892 |
| Brown, Samuel |
0106 |
| Bruce, Archibald |
0069 |
| Bumpus, Hermon Carey |
0747 |
| Burnham, Sherburne Wesley |
0749 |
| Burrill, Thomas J. |
0507 |
