Conatuum Comenianorum praeludia ex bibliotheca S.H - Comenius, Johann Amos 1592-1670 (Excudebat Guilielmus Turnerus academiæ typographus, 1637)
Appears at reel 1245 (Bodleian Library copy) and reel 1522 (Union Theological Seminary copy). - Identified as STC 15082.1 on UMI microfilm reel 1522. - Imperfect; the Union Theological Seminary copy lacks primary title page and is trimmed affecting marginal print. Imperfect as filmed (?); lacks all before secondary title page and all after page 52. - Madan I, p.197. - Reproductions of the originals in the Bodleian Library (reel 1245) and the Union Theological Seminary (New York, N.Y.). Library (reel 1522). - S.H. = Samuel Hartlib, who issued the work without Comenius'permission--Madan. - STC (2nd ed.), 15077. - With an additional title page that reads: Porta spientiae reserata