^Vasilchenko, D. B.; Baidina, I. A.; Filatov, E. Yu.; Korenev, S. V. Structure and thermal properties of [RhPy4Cl2]X complex salts (X = Cl−, ReO 4 − , ClO 4 − ). Journal of Structural Chemistry. 2009, 50 (2): 335–342. doi:10.1007/s10947-009-0046-7.
^Gillard, R..; Wilkinson, G. W. Trans -Dichlorotetra(pyridine)Rhodium(III) Salts. trans-Dichlorotetra(pyridine)rhodium(III) Salts. Inorganic Syntheses 1o. 1939: 64–67. ISBN 9780470132418. doi:10.1002/9780470132418.ch11.
^Acharya, K. R.; Tavale, S. S.; Guru Row, T. N. Structure of mer-trichlorotris(pyridine)rhodium(III), [RhCl3(C5H5N)3]. Acta Crystallographica Section C Crystal Structure Communications. 1984, 40 (8): 1327–1328. doi:10.1107/S0108270184007848.
^Delepine, M.; Lareze, F. Preparation of dichlorotetrapyridineiridium(III) salts. Compt. Rend., 1963. 256 (19): 3912-3916.