Opus astrologicum, &c. or, An astrological work left to posterity, by Nich. Culpeper, gent. Briefly containing, 1. A century of aphorisms, appropriated to the resolving of horary questions. 2. Elections astrological, for such as are going to war. 3. Elections and observations concerning journeys. 4. Elections for buildings, hidden treasures, and marriages. 5. Prognostications, and astrological secrets, proved by example