brew install nedap/versions/<formula>

Or brew tap nedap/versions and then brew install <formula>.

Example, to install the latest version of gettext 0.20:

brew install nedap/versions/[email protected]

Example, to install version 72 of Chromedriver which is needed for the Ons Administration Cucumbers

brew install --casks nedap/versions/chromedriver

brew help, man brew or check Homebrew's documentation.