Numa Pompilius — From Promptuarii Iconum Insigniorum Photo Credit: By Published by Guillaume Rouille (1518?-1589) - "Promptuarii Iconum Insigniorum", Public Domain, https://commons.wikimedia.org/w/index.php?curid=61825468
Roman Denarius with Romulus as Quirinus — C. Memmius C. f. 56 BC. AR Denarius (3.93 gm, 7h). Rome mint. Photo Credit: By Classical Numismatic Group, Inc. http://www.cngcoins.com, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=4782551
Marcus Terentius Varro — An imagined portrait of an elderly Varro. Before 1923, artist unknown Photo Credit: By Unknown author - Public Domain, https://commons.wikimedia.org/w/index.php?curid=44741087
Marcus Terentius Varro
An imagined portrait of an elderly Varro. Before 1923, artist unknown
Retrato póstumo de Wenceslao de Luxemburgo, duque de Brabante — Photo Credit: By Unidentified painter - Public Domain, https://commons.wikimedia.org/w/index.php?curid=8126528
Wenceslaus IV, duke of Luxembourg, elector of Brandenburg — Photo Credit: By User:Acoma - Vaclav4 modlitebnikniha.jpg, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=82565410
Kaiser Sigismund I. Sohn des Karl IV. von Luxemburg — Photo Credit: By Formerly attributed to Pisanello - Kunsthistorisches Museum Wien, Bilddatenbank., Public Domain, https://commons.wikimedia.org/w/index.php?curid=4892110
Baroque library hall in Clementinum — Originally belonged to Charles University, today part of Czech National Library Photo Credit: By BrunoDelzant - Flickr: [1], CC BY 2.0, https://commons.wikimedia.org/w/index.php?curid=33629611
Logo owned by Charles University in Prague for Charles University — Photo Credit: By Source, Fair use, https://en.wikipedia.org/w/index.php?curid=27192550
Charles IV-John Ocko votive picture-fragment — Photo Credit: By Circle of Theodoric of Prague - Public Domain, https://commons.wikimedia.org/w/index.php?curid=1755205
Flag of Bohemia — cropped Photo Credit: By Samhanin & Havsjö (change the color of the 'Royal banner of the Kingdom of Bohemia.svg') - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=84220914