1. A more perfect heaven : how Nicolaus Copernicus revolutionized the cosmos /: how Nicolaus Copernicus revolutionized the cosmos. (2011) Other Names: Sobel, Dava Record Type: Book Extent: 1 online resource View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Beyond Walden : the hidden history of America's kettle lakes and ponds /: the hidden history of America's kettle lakes and ponds. (©2009) Other Names: Thorson, Robert M, 1951- Record Type: Book Extent: 1 online resource (282 pages), illustrations, maps View Content: Available online (eLD content is only available in our Reading Rooms) ↗