Hi Bill, Elizabeth Wickes from the uiuc iSchool suggested this. https://github.com/libraryhackers/library-callnumber-lc/tree/master/python Sent from my iPhone On Jul 21, 2017, at 9:43 AM, William Denton <[log in to unmask]<mailto:[log in to unmask]>> wrote: Sorting by LCC numbers has been solved in most popular languages, but I couldn't find any example of how to do it in R, nor could I figure it out, so in case anyone is interested or can help, here's where I asked about it on Stack Overflow: How to sort by Library of Congress Classification (LCC) number in R https://stackoverflow.com/q/45240337/854346 Bill -- William Denton :: Toronto, Canada --- Listening to Art: https://listeningtoart.org/ https://www.miskatonic.org/ --- GHG.EARTH: http://ghg.earth/ Caveat lector. --- STAPLR: http://staplr.org/