1. Tractatus de spera d[e] Ioha[nn]is de sac[ro] busco. Theorica planetaru[m]. Published / Created: 1467. Call Number: Manuscript 22 Vault Image Count: 84 Resource Type: text Found in: Medical Historical Library, Cushing/Whitney Medical Library > Tractatus de spera d[e] Ioha[nn]is de sac[ro] busco. Theorica planetaru[m].