The Trachtenberg speed systemof basic mathematicsJakow Trachtenberg · First published 1984Open the Tome
The Trachtenberg Speed System Of Basic MathematicsTRACHTENBERG, JAKOW translated and adapted by CUTLER, ANN & MCSHANE, RUDOLPH · First published 1962Open the Tome
Sonderschrift der Zeitschrift "Russland von heute"Jakow Trachtenberg · First published 1930Open the Tome
Lehrbuch der russischen Sprache in der neuen OrthographieJakow Trachtenberg · First published 1927Open the Tome
