This site has benefited from suggestions, corrections, insights, or new information from many individuals, including but not limited to
Vladimír Antonín
Joshua Birkebak
Sam Bucciarelli
Django Grootmyers
Douglass Hughes
Paul Kirk
Nattapol Kraisitudomsook
Kare Liimatainen
Brandon Matheny
Danny Miller
Pierre-Arthur Moreau
Hua Qu
Elisa Rost
Christian Schwarz
Bethany Teigen
Francois Valade
Jimmie Veitch
Andrus Voitk
Pietro Voto
Kun L. Yang
© 2025 Jacob Kalichman