#OTD 1881 #Berlin's 1st regular telephone directory was published after a test copy had been launched in January.
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RT @BJMbraun: How to be an effective political economist: Laser focus on the neuralgic points of the state-market nexus, follow
RT @BJMbraun: How to be an effective political economist: Laser focus on the neuralgic points of the state-market nexus, follow the money,…