General descriptions are published in: Nielsen, I., and Poulsen, B., (eds.), 1992: The Temple of Castor and Pollux I, Roma. Slej, K., and Cullhed, M., (eds.), 2008: The Temple of Castor and Pollux II.2* & II.2**, Roma. Sande, S., and Zahle, J., (eds), 2009: The Temple of Castor and Pollux III, Roma