1) Folio page 2) Front cover of a book 3) Front of a manuscript leaf 4) Front of a sheet of paper 5) Front side of a book page 6) Half a literary leaf 7) Half of an open book 8) Leaf part 9) Odd page, normally 10) Odd-numbered page 11) Odd-numbered page, often 12) One side of a leaf 13) One side of a page Found on https://www.crosswordclues.com/clue/recto
The front of the leaf; the page that lies to the right in an open book. Rectos are the odd-numbered pages. Also known as recto page. See also verso. Found on http://www.alibris.com/glossary/glossary-books
See also LEAF (320), VERSO (566) The front or obverse side of a leaf; the right-hand page of an open book or manuscript
Found on http://www.ifla.org/VII/s30/pub/mg1.htm#5