The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Bayat, A (2 members)
- Beam, M (1 member)
- Belanger, E (1 member)
- Bente, S (0 members)
- Bernstein, J (1 member)
- Bihun, J (1 member)
- Biology (4 members)
- Blotevogel, T (4 members)
- Boman, J (5 members)
- Book (9 members)
- Bottleneck (30 members)
- Brase, A (1 member)
- Breithaupt, F (0 members)
- Brink, P (2 members)
- Brose, A (2 members)
- Brown, A (1 member)
- Brown, S D (1 member)
- Budach, C (1 member)
- Burkholder, J P (1 member)
- Business studies (2 members)
- Böttcher, A (3 members)
- Calculus (4 members)
- Calvert, V (2 members)
- Cameron, E L (7 members)
- Chastain, D (1 member)
- Chemistry (1 member)
- Chistolini, S (1 member)
- Christian, N (1 member)
- Clark, J (5 members)
- Clark-Huckstep, A (1 member)
- Clarsen, G W (1 member)
- Clayton, P (2 members)
- Cole, B (3 members)
- Communication (2 members)
- Competence (1 member)
- Computer Science (11 members)
- Corrigan, P T (1 member)
- Costino, K (1 member)
- Cox, W R (1 member)
- Craig, K (1 member)
- Creative writing (0 members)
- Criminal justice (2 members)
- Cronin, J (1 member)
- Cross-disciplinary (5 members)
- Curriculum design (3 members)
- Currie, G (3 members)
- Danilevičiūtė, A (1 member)
- Darcy, T (2 members)
- Datt,K H (1 member)
- Datt, K (0 members)
