| Proof positive. - Matches 2 items |
| Proof positive Matches 1 item |
| Proof positive. Matches 3 items |
| Proof positive / Matches 1 item |
| Proof that properly anticipated prices fluctuate randomly / Matches 1 item |
| Proofs and arguments / Matches 1 item |
| Proofs and refutations : the logic of mathematical discovery / by Imre Lakatos ; edited by John Worrall and Elie Zahar. Matches 1 item |
| Proofs of God in early modern Europe : an anthology / Lloyd Strickland. Matches 1 item |
| Proofs of the existence of God / Matches 2 items |
| Proofs of the theorems on comparative advantage -- Matches 1 item |