Vachek Josef Vachek & Duskova Libuse Duskova 
PRAGUIANA [PDF ebook] 
Some Basic and Less Known Aspects of the Prague Linguistic School. With an introduction by Philip A. Luelsdorff

Contains key papers by the founders of the Prague School; including Vilém Mathesius famous article “Functional Linguistics” (1929), the theses presented at the First Congress of Slavists in Prague (1929), an earlier paper by Mathesius “On the potentiality of the phenomena of language” (1911), Jan Mukařovský’s “Standard language and poetic language” (1932) and other historical contributions by B. Havránek, V. Skalička, and B. Trnka.