4 "Ficheiro:Tom_Swift_and_His_Big_Tunnel_-_Cover.jpg".

Ficheiro:Tom Swift and His Big Tunnel - Cover.jpg

DescriptionTom Swift and His Big Tunnel - Cover.jpg English: Tom Swift and His Big Tunnel - Cover Date 1916 Source https://en.wikisource.org/wiki/Page:Tom_Swift_and_His_Big_Tunnel...


Ficheiro:Tom Swift and His Big Tunnel (book cover).jpg

Image is in the Public Domain, as the licensing below shows. Image found at http://www.tomswift.info/homepage/tunnel.html English...


Ficheiro:Open Source Philosophy and the Dawn of Aviation.pdf

4.0 International license. You are free: to share – to copy, distribute and transmit the work to remix – to adapt the work Under the following conditions:...


Ficheiro:Royal Spain of today (IA royalspainoftoda00batcrich).pdf

today Publisher New York [etc.] : Longmans, Green, and co. Description Subjects: Spain -- Description and travel Language English Publication date 1913 publication_date...