Grases, F.; Ruiz, J.; Costa-Bauzá, A. Studies on Lead Oxalate Crystalline Growth. Journal of Colloid and Interface Science. 1993, 155 (2): 265–270. doi:10.1006/jcis.1993.1035.
Kolthoff, I.M.; Perlich, R. W.; Weiblen, D. The Solubility of lead Sulfate and of Lead Oxalate in Various Media. Journal of Physical Chemistry. 1942, 46 (5): 561. doi:10.1021/j150419a004.