The following materials were used on the site (name, author, license, link):

Fonts
Cormorant Garamond	Christian Thalmann	SIL Open Font License 1.1
Cinzel	Natanael Gama	SIL Open Font License 1.1
Cinzel RUS	LYAJKA	SIL Open Font License 1.1
Noto Serif	Monotype Design Team	SIL Open Font License 1.1
Noto Sans	Monotype Design Team	SIL Open Font License 1.1

Guestbook banner on the main page
Library at the biltmore estate.jpg	JoyD Smiths PTMr8	CC0	[link]
COMPUTER TERMINAL - NARA - 17500667.jpg	?	CC0	[link]

Guestbook (terminal)
Terminal-adds2020.jpg	ClickRick	CC-BY-SA 3.0	[link]