1. Celestial Navigation for Yachtsmen. (2017) Authors: Blewitt, Mary Record Type: Book Extent: 1 online resource (96 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. The history of celestial navigation rise of the Royal Observatory and nautical almanacs /: rise of the Royal Observatory and nautical almanacs. (2020) Other Names: Seidelmann, P. Kenneth; Hohenkerk, C. Y Record Type: Book Extent: 1 online resource View Content: Available online (eLD content is only available in our Reading Rooms) ↗