1. David Rumsey historical map collection Author/Creator: Cartography Associates Publication/Creation: [Place of publication not identified] : Cartography Associates, 2003- Format: Map Access & Availability: Loading
2. A different world view : mapping the oceans Publication/Creation: District of Columbia : National Geographic Film & Television, 2015 Format: Video or Visual Material Access & Availability: Loading
3. Digital chart of the world server Publication/Creation: [University Park, Pa.] : Penn State University Libraries, [1996]-- Format: Book Access & Availability: Loading