The study of Indo-European language groups, in which the methodology of historical and comparative linguistics was developed, was based on a historical comparison of the morphology, phonology and etymology of the various languages in this group. This collection highlights the enormous influence this discipline had on thought and culture. Each volume is available individually at a price of £85.00 Volume 1: Uber das Conjugationssytem der Sanskritsprache, Franz Bopp (1816), 0415204631 Volume 2: Undersogelse om det gamle Nordiske eller Islandske Sprogs Oprindelse, Rasmus Kristian Rask, (1818) 041520464X Volume 3: Deutsche Grammatik (First Edition), Jacob Grimm, (1819) 0415204658 Volume 4: Deutsche Grammatik (Second Edition), Jacob Grimm, (1822) 0415204666 Volume 5: Deutsche Grammatik (Third Edition), Jacob Grimm, (1840) 0415204674 Volume 6: Deutsche Grammatik (Volume 2), Jacob Grimm, (1826) 0415204674 Volume 7: Deutsche Grammatik (Volume 3), Jacob Grimm, (1831) 0415204690 Volume 8: Deutsche Grammatik (Volume 4), Jacob Grimm, (1837) 0415204704 Volume 9: Register zu J Grimms Deutscher Grammatik, K G Andresen, (1865) 0415204712 Volume 10: Vergleichende Grammatik (Parts 1-3), Franz Bopp, (1833, 1835, 1837) 0415204720 Volume 11: Vergleichende Grammatik (Parts 4-6), Franz 2) 0415204739 Volume 12: Etymologische Forschungen auf dem Gebiete der 1ndo-germanischen Sprachen (Volume 1), August Friedrich Pott (1833) 0415204747 Volume 13: Eytmologische Forschungen auf dem Gebiete der indo-germanischen Sprachen (Volume 2), August Friedrich Pott (1836) 0415204747