doctorowRudolf Sieber-Lonati cover art for Silber Grusel-Krimi, #52, 1973. https://humanoidhistory.tumblr.com/post/188256226951
Jonkman Microblog is a social network, courtesy of SOBAC Microcomputer Services. It runs on GNU social, version 1.2.0-beta5, available under the GNU Affero General Public License.
All Jonkman Microblog content and data are available under the Creative Commons Attribution 3.0 license.