✦ LIBER ✦

The Flower Observatory, University of Pennsylvania

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Dedication of the Flower Observatory, Un

📂 Article 📅 1897 🏛 University of Chicago Press 🌐 English ⚖ 174 KB

Comets: By Charles P. Olivier, Ph.D., Pr

✍ James Stokley 📂 Article 📅 1930 🏛 Elsevier Science 🌐 English ⚖ 191 KB

THE SAYRE OBSERVATORY, SOUTH BETHLEHEM,

✍ C. L. Doolittle 📂 Article 📅 1897 🏛 University of Chicago Press 🌐 English ⚖ 235 KB

Wild Flowers of Western Pennsylvania

✍ Review by: Earl L. Core 📂 Article 📅 1953 🏛 Southern Appalachian Botanical Society 🌐 English ⚖ 102 KB

The Oxford University Observatory

📂 Article 📅 1889 🏛 Nature Publishing Group 🌐 English ⚖ 252 KB

The Oxford University Observatory

📂 Article 📅 1888 🏛 Nature Publishing Group 🌐 English ⚖ 242 KB