eest käest-kätte. Juba 1527. aastal oli Rebuck ostnud krundi, millest hiljem sai Rippoka (Ripuka) mõis. Ostutehinguga liitis ta Kärde Ripukaga ühte. 1601. aastal müüs Riia kodaniku Martin Schulzi lesk (neiupõlvenimega Catherine Rebuck) mõlemad valdused 13 200 marga eest Joachim Wittingule. Viimase tütar andis maad oma abikaasale, Riia kodanik Jacob Friedrichsile, kellele need 1638. aastal ametlikult kuuluvaks kinnitati. 1639. aastal müüs Friedrichs Kärde koos Ripukaga Tartu kodanikule, kohtunik Samuel Akkerbaumile, kes need tühjalt ja kasutamata seisvad valdused veel samal aastal Laiuse kaptenile, Erich Johannsohn Zwillingule 1200 taalri eest üle andis. Kui Kärde Paddoweri (Paduvere) ja Tirmasti (Tirma) mõisate koosseisu kuulus, müüs omanik Johann Derten 1557. aastal mõisad 250 marga eest oma vennale Nicolausile. Viimase tütar Gertrude andis need omakorda oma abikaasale, kelle nimi oli Vegesack
Paschke did. In 1933, when Hitler came to power, Pers z employed about 30 civil servants. As Germany re- *This division carries into the practical sphere the distinction that codes operate upon texts linguistically whereas ciphers operate nonlinguistically. armed, Pers z expanded, though slowly at first. Recruiting was subtle: prospective recruits did not know that they were being considered for the highly secret work of cryptanalysis. One woman, Asta Friedrichs, who had taught school in Bulgaria and knew that language, which Pers z needed, was simply asked if she would like to learn Serbo-Croatian and do some work involving it; she accepted, and not until after a probationary period was she told about the code-breaking. She began solving Serbo-Croatian codes, then some Bulgarian, then helped with others. With the outbreak of war, Pers z's growth became explosive. Among the brightest of its new members was Dr. Hans Rohrbach, a 37-year-old