\documentclass{article} \usepackage{makeidx} \usepackage{librecaslon} \usepackage[hidelinks]{hyperref} \makeindex \begin{document} \title{Crossrefware documentation} \author{Boris Veytsman} \maketitle \tableofcontents These scripts can be used to submit files to Crossref, check and add doi numbers and ZbMath numbers to papers. I am grateful to Josko Plazonic from Princeton Math Dept whose (unpublished) Python script was an inspiration for this suite.