Man pages matching name latex::table::themes::booktabs in section 3pm:

LaTeX::Table::Themes::Booktabs.3pm.en	debian 10 / liblatex-table-perl
LaTeX::Table::Themes::Booktabs.3pm.en	debian 11 / liblatex-table-perl
LaTeX::Table::Themes::Booktabs.3pm.en	debian 12 / liblatex-table-perl