Entwicklung bibliothekarischen Zeitschriften, DACH-Raum, 2001, 2011, 2021

This data set contains the data for a study on the developments of the journals of the German-speaking library profession in 2001, 2011, and 2021. Contained therein are (a) the original data set, (b) the R-scripts used to analyse this set, (c) two data-sets on country-names and ISO-signatures used for this analysis as well, and (d) plots, tables and data who are the results of this analysis. All of the commentaries on the skripts, the titles on the plots an dthe like as well as the names of the files are in German.