What is the meaning of Ff.?

and the following (pages, paragraphs etc.)

ff. (and the following pages)

Abbreviation of folgende(n) pl (“following”, “subsequent”); akin to English ff., et seqq.. (The word fortfolgend has been coined as a folk-etymological explanation of this abbreviation and is not commonly encountered in other use than this fanciful explanation, which is in fact a backronym.)