I had to read these for my psychopathology class--IIRC, they deal with the stuff you mentioned.
Philipps, L. & O'Hara, M. (1991). Prospective study of postpartum depression:
4 ½ - year follow-up of women and children. Journal of Abnormal Psychology,
100(2), 151-155.
Hopkins, J., Marcus, M., & Campbell, S. (1984). Postpartum depression: A
critical review. Psychological Bulletin, 95(3), 498-515.
Wiffen, V. (1992). Is postpartum depression a distinct diagnosis? Clinical
Psychology Review, 12, 485-508.
Whiffen, V. & Gotlik, I. (1993). Comparison of postpartum and nonpostpartum
depression: Clinical presentation, psychiatric history, and psychosocial
functioning. Journal of Consulting and Clinical Psychology, 61(3), 485-494.
Hayworth, J., Little, B., Carter, B., Raptopoulos, P., Priest, R., & Sandler. M.
(1980). A predictive study of post-partum depression: Some predisposing
characteristics. British Journal of Medical Psychology, 53, 161-167.