+ ;; government-letter by IEEE Printer Working Group, for children's writing
+ ("government-letter" . (cons (* 8 in) (* 10.5 in)))
+ ("government-legal" . (cons (* 8.5 in) (* 13.0 in)))
+ ("philippine-legal" . (cons (* 8.5 in) (* 13.0 in)))
+ ;; ANSI sizes
+ ("ansi a" . (cons (* 8.5 in) (* 11.0 in)))
+ ("ansi b" . (cons (* 17.0 in) (* 11.0 in)))
+ ("ansi c" . (cons (* 17.0 in) (* 22.0 in)))
+ ("ansi d" . (cons (* 22.0 in) (* 34.0 in)))
+ ("ansi e" . (cons (* 34.0 in) (* 44.0 in)))
+ ("engineering f" . (cons (* 28.0 in) (* 40.0 in)))
+ ;; G and H are very rare, and the lengths are variable up to 90 inches
+ ;; North American Architectural sizes
+ ("arch a" . (cons (* 9.0 in) (* 12.0 in)))
+ ("arch b" . (cons (* 12.0 in) (* 18.0 in)))
+ ("arch c" . (cons (* 18.0 in) (* 24.0 in)))
+ ("arch d" . (cons (* 24.0 in) (* 36.0 in)))
+ ("arch e" . (cons (* 36.0 in) (* 48.0 in)))
+ ("arch e1" . (cons (* 30.0 in) (* 42.0 in)))
+ ;; Other sizes
+ ;; Some are antique sizes which are still using in UK
+ ("statement" . (cons (* 5.5 in) (* 8.5 in)))
+ ("half letter" . (cons (* 5.5 in) (* 8.5 in)))
+ ("quarto" . (cons (* 8.0 in) (* 10.0 in)))
+ ("octavo" . (cons (* 6.75 in) (* 10.5 in)))
+ ("executive" . (cons (* 7.25 in) (* 10.5 in)))
+ ("monarch" . (cons (* 7.25 in) (* 10.5 in)))
+ ("foolscap" . (cons (* 8.27 in) (* 13.0 in)))
+ ("folio" . (cons (* 8.27 in) (* 13.0 in)))
+ ("super-b" . (cons (* 13.0 in) (* 19.0 in)))
+ ("post" . (cons (* 15.5 in) (* 19.5 in)))
+ ("crown" . (cons (* 15.0 in) (* 20.0 in)))
+ ("large post" . (cons (* 16.5 in) (* 21.0 in)))
+ ("demy" . (cons (* 17.5 in) (* 22.5 in)))
+ ("medium" . (cons (* 18.0 in) (* 23.0 in)))
+ ("broadsheet" . (cons (* 18.0 in) (* 24.0 in)))
+ ("royal" . (cons (* 20.0 in) (* 25.0 in)))
+ ("elephant" . (cons (* 23.0 in) (* 28.0 in)))
+ ("double demy" . (cons (* 22.5 in) (* 35.0 in)))
+ ("quad demy" . (cons (* 35.0 in) (* 45.0 in)))
+ ("atlas" . (cons (* 26.0 in) (* 34.0 in)))
+ ("imperial" . (cons (* 22.0 in) (* 30.0 in)))
+ ("antiquarian" . (cons (* 31.0 in) (* 53.0 in)))
+ ;; PA4 based sizes
+ ("pa0" . (cons (* 840 mm) (* 1120 mm)))
+ ("pa1" . (cons (* 560 mm) (* 840 mm)))
+ ("pa2" . (cons (* 420 mm) (* 560 mm)))
+ ("pa3" . (cons (* 280 mm) (* 420 mm)))
+ ("pa4" . (cons (* 210 mm) (* 280 mm)))
+ ("pa5" . (cons (* 140 mm) (* 210 mm)))
+ ("pa6" . (cons (* 105 mm) (* 140 mm)))
+ ("pa7" . (cons (* 70 mm) (* 105 mm)))
+ ("pa8" . (cons (* 52 mm) (* 70 mm)))
+ ("pa9" . (cons (* 35 mm) (* 52 mm)))
+ ("pa10" . (cons (* 26 mm) (* 35 mm)))
+ ;; F4 used in southeast Asia and Australia
+ ("f4" . (cons (* 210 mm) (* 330 mm)))
+ ))