1.

Asai, T.: On the Doi-Naganuma lifting associated with imaginary quadratic fields, preprint (1975)

2.

Braun, H.: Hermitian modular forms, I, II, Annals of Math.**50**, 827–855 (1949); Ann of Math.**51**, 92–104 (1950)

3.

Hirzebruch, F., Zagier, D.: Intersection numbers of curves on Hilbert modular surfaces and modular forms of Nebentypus. Invent. Math.**36**, 57–113 (1976)

4.

Howe, R.: Invariant theory and duality for classical groups over finite fields, with applications to their singular representation theory, preprint

5.

Kudla, S.: Theta-functions and Hilbert modular forms, Nagoya Math. J.**69**, 97–106 (1978)

6.

Kudla, S.: Intersection numbers for quotients of the complex 2-ball and Hilbert modular forms. Invent. Math.**47**, 189–208 (1978)

7.

Millson, J.: Geometric construction of homology of arithmetic quotients, preprint

8.

Niwa, S.: Modular forms of half integral weight and the integral of certain theta-functions, Nagoya Math. J.**56**, 147–161 (1974)

9.

Oda, T.: On modular forms associated with indefinite quadratic forms of signature (2,*n*−2). Math. Annallen.**231**, 97–144 (1977)

10.

Rallis, S., Schiffman, G.: Automorphic forms constructed from the Weil representation; holomorphic case, preprint (1976)

11.

Shimura, G.: On modular forms of half integral weight, Ann. of Math.**97**, 440–481 (1973)

12.

Shimura, G.: On some arithmetic properties of modular forms of one and several variables. Ann. of Math.**102**, 491–515 (1975)

13.

Shimura, G.: Theta functions with complex multiplication, Duke Math. J.**43**, 673–696 (1976)

14.

Shimura, G.: On the derivatives of theta functions and modular forms. Duke Math. J.**44**, 365–387 (1977)

15.

Shimura, G.: The arithmetic of automorphic forms with respect to a unitary group, Ann. of Math.**107**, 569–605 (1978)

16.

Shimura, G.: On certain reciprocity-laws for theta functions and modular forms, to appear

17.

Shintani, T.: On construction of holomorphic cusp forms of half integral weight, Nagoya Math. J.**58**, 83–126 (1975)

18.

Zagier, D.: Modular forms associated to real quadratic fields, Invent. Math.**30**, 1–46 (1975)

19.

Zagier, D.: Modular forms whose Fourier coefficients involve zeta-functions of quadratic fields. Modular Functions of One Variable VI, Bonn, Lecture Notes in Mathematics 627, Berlin, Heidelberg, New York: Springer, 1976