[en] Cosmic Shift National Book Network International

[en] [Life After Violence 01] • Life After Violence National Book Network International

[en] Biocatalysis National Book Network International

[en] Medieval and Renaissance Furniture National Book Network

[en] Who Stole the American Dream · the Book Your Boss Doesn't Want You to Read International Network Training Institute, Inc.

[tl] [Gutenberg 47629] • Ang "Filibusterismo" (Karugtóng ng Noli Me Tangere) National Book Store, Inc.

[en] The Digital Dilemma · Intellectual Property in the Information Age National Academies Press

[en] [Chap 02] • Antenna Fundamentals ARRL, the national association for Amateur Radio®

[en] [Chap 24] • Transmission Lines ARRL, the national association for Amateur Radio®

[en] One Common Enemy National Maritime Museum

[en] The Structures of Life National Institute of General Medical Sciences

[en] Witches National Geographic Society

[en] Witches · The Absolutely True Tale of Disaster in Salem National Geographic Society

[en] Treasury of Greek Mythology National Geographic Children's Books

[en] Imagined London National Geographic

[en] [Star Wars 01] • The Science of Star Wars National Geographic

[en] Cosmic Queries · Startalk's Guide to Who We Are, How We Got Here, and Where We're Going (9781426221781) National Geographic

[en] Best Friends Forever! National Geographic Children's Books

[en] Upworthy: Good People National Geographic

[en] The ASEAN Miracle National University of Singapore Pres