Ptolemäus E X Z 9; II [116] Z 19; III [205] Z 29; [207] Z 11; [299] Z 33; [311] Z 28, 30; [312] Z 30; [326] Z 8; [329] Z 20; [338] Z 15; [342] Z 13; [343] Z 18; [344] Z 7, 17, 22; [345] Z 3, 21; [346] Z 1,7; [366] Z 33; [367] Z 8.
Pythagoras I [26] Z 3; III [125] Z 13, 23, 33; [126] Z 1, 6 f; [127] Z 2, 25; [137] Z 12 f; [138] Z 7; [145] Z 1; [153] Z 7; [315] Z 4; [352] Z 14; [353] Z 29. N. [379] Z 27; [384] Z 8; [385] Z 20.
Ramus Petrus III [213] Z 21; [239] Z 22; [245] Z 5; [359] Z 3.
Ranke H. II [58] Z 19; [65] Z 33.
Rassam H. II [74] Z 18, 21; [81] Z 7, 28.
Rawlinson H. II [74] Z 13; [75] Z 22; [76] Z 27; [117] Z 26.
Regiomontan III [264] Z 24; [265] Z 12; [359] Z 2.
Reinhold E. III [132] Z 18.
Revillout E. I [27] Z 21; [28] Z 14; [29] Z 4; [46] Z 8, 33; [48] Z 33; [50] Z 16; [51] Z 11; [52] Z 15.