Links https://www.reddit.com/r/Forth/comments/229sl5/i_want_to_write_my_own_forth_interpreter_where_do/ https://www.forth.com/starting-forth/ https://chicoary.wordpress.com/2019/05/11/smallforth-an-implementation-over-pharo-smalltalk-part-2/ https://www.forth.com/starting-forth/1-forth-stacks-dictionary/