Orator extemporaneus, seu Artis oratoriæ breviarium bipartitum. / By Michael Radau. ; 3rd corrected enlarged edition by A. Motkowsky. -- Amstelodami, apud J. Janssonivm à Waesberge, 1673 (engraved title-page: 1672). -- 22 sheets ; 12° Signature Formula: *⁸ A-X¹² Y⁴ (Y4 blank). -- Fingerprint: 167312 - a1 *3 æ$ : a2 *5 ro$ - b1 A t$ : b2 Y3 upt [STCN ID: 844174769]