Ivan Pavlov —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=19270394

S. M. Kirov Military Medical Academy campus on the bank of the Neva River —
Photo Credit: By Alex 'Florstein' Fedorov, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=20427999

seal of S.M. Kirov Military Medical Academy —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=14225488

USA in 1789 — Map of the states and territories of the United States as it was on August 7, 1789, when the Northwest Territory was organized
Photo Credit: By Made by User:Golbez. - Own work, CC BY 2.5, https://commons.wikimedia.org/w/index.php?curid=2560801

Northwest Territory (1787) —
Photo Credit: CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=1255728

flag of California Republic —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=324334

seal of HI —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=18455148

seal of AK —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=69816769

seal of AZ —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=14801152

seal of NM —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=14801185

seal of OK —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=5967271