General NoteContains 9 parts with essays on microbiology: 24 letters to the Royal Society in London, written between 25 April 1679 and 10 July 1686 (in later editions numbered 28-52), but not published in numerical order, at Leiden in 1684 (by D. van Gaesbeeck) and in 1685-1686 (by C. Boutesteyn): Dobell-Schierbeek nr 20 part I (cf. nr 8) = nr 1-9 (nr 1: letters 32-33,39; 2:37; 3:40; 4:41; 5:38,42-43; 6:44-45; 7:46-47; 8:28-31,34-36; 9:48-52); letters 34-36 in contemporary index considered as separate part: tien eerste tractaten
General NoteContains 9 parts with essays on microbiology: 24 letters to the Royal Society in London, written between 25 April 1679 and 10 July 1686 (in later editions numbered 28-52), but not published in numerical order, at Leiden in 1684 (by D. van Gaesbeeck) and in 1685-1686 (by C. Boutesteyn): Dobell-Schierbeek nr 20 part I (cf. nr 8) = nr 1-9 (nr 1: letters 32-33,39; 2:37; 3:40; 4:41; 5:38,42-43; 6:44-45; 7:46-47; 8:28-31,34-36; 9:48-52); letters 34-36 in contemporary index considered as separate part: tien eerste tractaten