Abbreviations and Symbols
| ante corr. | ante correctionem |
| ADf | Autograph Draft |
| ALS | Autograph Letter Signed |
| anon. | anonymous |
| ASF | ‘Archieven van Senaat en Faculteiten, 1575–1877 – Universiteit Leiden’ (‘Dousa-kamer’). Manuscript collection containing matriculation records (‘recensielijsten’), lists of students’ names, academic discipline, age, and residence (only in ASF) in Leiden |
| BL | Biographical Lexicon |
| bk | book |
| cf. | confer |
| ch. | chapter |
| col./cols | column(s) |
| ed./eds. | editor(s) |
| ff | (and) following years |
| fl. | floruit |
| fol. 1, 1r, 1v | folio 1, 1 recto, 1 verso |
| fols 2r–v | folios 2 recto to 2 verso |
| FRS | Fellow of the London Royal Society |
| inv. no. | inventory number |
| KB | KB. National Library of the Netherlands |
| l./ll. | line/lines |
| ms., mss | manuscript(s) |
| MSCp | Manuscript Copy |
| n. | note(s) |
| n. d. | no date |
| n. pl. | no place |
| no./nos. | number/numbers |
| OP#4p | copy number (#4) of the Opera posthuma with ‘Opera’ portrait bound in |
| p./pp. | page(s) |
| post corr. | post correctionem |
| repr | reprint |
| rev. | revised |
| sig. *1r | signature *1 recto (etc.) |
| sigs *2r–v | signatures *2 recto to *2 verso (etc.) |
| S/H | Gottlieb Stolle and ‘Hallmann’, travel diaries |
| transl. | translation, translator |
| vol./vols. | volume(s) |
| 4to | quarto |
| 8vo | octavo |
| 12mo | duodecimo |
| 1661.08.26, Ep 1 | letter code, indicating year, month and day (Gregorian calendar, here: 26 August 1661), with traditional ‘Ep’ number (Van Vloten and Land) |
| (surname)* | asterisk reference to an entry in the Biographical Lexicon on the life and times of a key figure mentioned |
| 1663.01.11* | letter code with asterisk, indicating a postulated letter, always without ‘Ep’ number |
| [] | conjecture (date, name, or place, and text in quotations) |
| | | line or page break |
| < > | symbols used in dates and letter codes to indicate a date ‘before’ (for example: < 1661.10.20, Ep 4) or ‘after’ (e.g.: > 1675.01.05, Ep 59) |