prstony: 3d04
prstony: chromostereopsis 94
kynd: curves
it's better than bad: at_sea_by_zdenek_burian
toxi: Volumetric brush (globe)
alex.taylor45: Mehringdamm
Lawrence Livermore National Laboratory (LLNL): Chart of Electromagnetic Radiations
PETERSHAGEN: TRABANT IM EINSATZ
PETERSHAGEN: JUGENDSCHUTZ 1965
PETERSHAGEN: 522751-7
PETERSHAGEN: KAMPF DEM ATOMTOD
PETERSHAGEN: FORELLEN
PETERSHAGEN: KAPELLE - UFER
PETERSHAGEN: GO EAST
www.IDVsolutions.com: MapOrNoMapFlowChart
Desmond Paul Henry: Serpent - Desmond Paul Henry 1962
The British Library: British Library digitised image from page 582 of "The United States of America. A study of the American Commonwealth, its natural resources, people, industries, manufactures, commerce, and its work in literature, science, education and self-government [By
Grickle: A tightly run operation
The British Library: British Library digitised image from page 6 of "Atlas to accompany a system of Universal History, etc"
The British Library: British Library digitised image from page 11 of "Atlas to accompany a system of Universal History, etc"
The British Library: British Library digitised image from page 7 of "Atlas to accompany a system of Universal History, etc"
The British Library: British Library digitised image from page 17 of "Discovery of the Origin of the Name of America. (Abridged popular edition.) [With a map.]"
The British Library: British Library digitised image from page 90 of "Bibliothek geographischer Handbücher. Herausgegeben von ... F. Ratzel"
The British Library: British Library digitised image from page 94 of "Bibliothek geographischer Handbücher. Herausgegeben von ... F. Ratzel"
The British Library: British Library digitised image from page 141 of "Bibliothek geographischer Handbücher. Herausgegeben von ... F. Ratzel"
The British Library: British Library digitised image from page 31 of "Bibliothek geographischer Handbücher. Herausgegeben von ... F. Ratzel"
The British Library: British Library digitised image from page 9 of "Les Voyageurs au pôle nord depuis les premières expéditions scandinaves jusqu'à celle de M. Gustave Lambert ... Avec une carte des régions boréales d'après V. A. Malte-Brun"
The British Library: British Library digitised image from page 57 of "Gustave Lambert au Pôle Nord. Ce qui'il y va faire ... Avec la liste complète de tous les comités du patronage et une carte des mers polaires par Malte-Brun"