Jyautiṣasiddhāntasaṅgrahaḥ : tatra Pitāmahasiddhāntaḥ, Vr̥ddhavasiṣṭhasiddhāntaśca = Jyautisha Siddhantasamgraha : a collection of ancient Hindu astronomical works, Pitamaha siddhanta & Vriddhavasishtha siddhantaVindhyeśvarīprasāda Dvivedī1917ZIP