bulletinproceed00nati described at URL: https://archive.org/download/bulletinproceed00nati/bulletinproceed00nati.pdf determination method or standard: SHA-1...
Internet Archive ID: smithsonianmisce201881smith described at URL: https://archive.org/download/smithsonianmisce201881smith/smithsonianmisce201881smith.pdf...
colouredillustra11842meye described at URL: https://archive.org/download/colouredillustra11842meye/colouredillustra11842meye.pdf determination method or standard: SHA-1...