9.  Cox, Ben; Futorny, Viatcheslav; Kang, Seok-Jin; Melville, Duncan Quantum deformations of imaginary Verma modules. Proc. London Math. Soc. (3) 74 (1997), no. 1, 52--80.

8. Cox, Ben,  Lie theory over commutative rings and lifting invariant forms. Lie algebras and their representations (Seoul, 1995), 47--56,
Contemp. Math., 194, Amer. Math. Soc., Providence, RI, 1996.

7.  Cox, B.; Futorny, V.; Melville, D. Categories of nonstandard highest weight modules for affine Lie algebras. Math. Z. 221 (1996), no. 2,
193--209.

6. Cox, Ben; Enright, Thomas J. Representations of quantum groups defined over commutative rings. Comm. Algebra 23 (1995), no. 6,
2215--2254.

5. Cox, Ben Verma modules induced from nonstandard Borel subalgebras. Pacific J. Math. 165 (1994), no. 2, 269--294.

4. Berman, Stephen; Cox, Ben,  Enveloping algebras and representations of toroidal Lie algebras. Pacific J. Math. 165 (1994), no. 2,
239--267.

3. Cox, Ben Structure of the nonstandard category of highest weight modules. Modern trends in Lie algebra representation theory
(Kingston, ON, 1993), 35--47, Queen's Papers in Pure and Appl. Math., 94, Queen's Univ., Kingston, ON, 1994.

2. Cox, Ben, Generalizations of Deodhar's$\alpha$-localization functor. Proc. Amer. Math. Soc. 121 (1994), no. 4, 981--990.

1. ${\germ F}$-categories and ${\germ F}$-functors in the representation theory of Lie algebras. Trans. Amer. Math. Soc.
343 (1994), no. 1, 433--453.