19 books in 16 volumes of incunabula with fewer than 4 copies located by the ISTC in the UK. copy the blog link or click on it (sometimes it works)

   JGB #     Author                                        BLOG link                             ISTC linkUK locationsNº in UK
552Ji  (Ars moriendi.) 1495.https://jamesgray2.me/2025/02/03/ars-moriendi-speculum-finalis-retributionis-tam-bonorum-1495-1499/https://data.cerl.org/istc/ia01098000BL(2) BOD3
564J Albertus of Padua 1480± . https://jamesgray2.me/2024/12/17/albertus-of-padua-spiegel-des-sunders-2/https://data.cerl.org/istc/ia00340000Lambeth,BL, Bod3
601J  Augustine 1498https://jamesgray2.me/2024/02/28/9-pseudo-authors-in-one-book-2/https://data.cerl.org/istc/ia01294000Camb, B.L.2
466J  Balthasar de Portahttps://jamesgray2.me/wp-admin/post.php?post=29601&action=edithttps://data.cerl.org/istc/ib00039000NO UK Copies0
553JiCordale 1482https://jamesgray2.me/2025/01/22/a-sammelband-of-devotio-moderna-2/https://data.cerl.org/istc/ic00888000 BL ONLY1
453J    Diogenes Lærtius 1500+https://jamesgray2.me/2025/02/03/453j-diogenes-laertius-philosophorum-vita/https://data.cerl.org/istc/id00226000  BL ONLY1
658J  Eusebius 1487https://jamesgray2.me/2025/01/30/aristotle-and-burley-2/https://data.cerl.org/istc/ih00257000Cardiff PL,BL, Oxford3
448JGruytrode 1495https://jamesgray2.me/2019/12/31/lavacrum-conscientiae-by-jacobus-de-gruytrode/https://data.cerl.org/istc/il00099000NO UK Copies0
553JiiGuido de Monte Rochenhttps://jamesgray2.me/2025/01/22/a-sammelband-of-devotio-moderna-2/https://data.cerl.org/istc/ig00593000BL & Yorkminster2
444JiGuillermus Paris1480https://jamesgray2.me/2024/01/24/two-incunabula-bound-together-one-located-in-only-four-copies-worldwide/https://data.cerl.org/istc/ig00654800NO UK Copies0
607J Juvenalis 1497.https://jamesgray2.me/2024/12/11/annotated-copy-of-a-1497-juvenal-3/https://data.cerl.org/istc/ij00664000Camb, B.L.Eaton3
671J Livius 1491.https://jamesgray2.me/2025/02/05/densely-annotated-livius-1491/https://data.cerl.org/istc/il00245000Longleat, Eaton, Bod3
305JPelbartus de Themeswar 1501.https://jamesgray2.me/2024/03/04/pelbartus-de-themeswar-no-us-copy-not-in-goff-no-uk/ https://data.cerl.org/istc/ip00252500NO UK Copies0
238J Peregrinus of Opolehttps://jamesgray2.me/2025/01/22/peregrinus-de-opole-jacobus-de-voragine-nicolaus-de-dinkelsbuel-1479/https://data.cerl.org/istc/ip00267000Cardiff PL,BL, Oxford3
552Jii  Reginaldetus 1499.https://jamesgray2.me/2025/01/20/thomas-aquinas-on-sacrament-of-penance-ca-1493/https://data.cerl.org/istc/ir00091000Edinburgh, B.L.2
564Ja. Spiegel des Sünders 1487± https://jamesgray2.me/2024/12/17/albertus-of-padua-spiegel-des-sunders-2/https://data.cerl.org/istc/is00675000NO UK Copies0
573JSuso 1500/1https://jamesgray2.me/2025/01/24/suso-573j/https://data.cerl.org/istc/is00876500NO UK Copies0
563J  Thomas Aquinas 1493±https://jamesgray2.me/2025/01/20/thomas-aquinas-on-sacrament-of-penance-ca-1493/https://data.cerl.org/istc/it00325000No UK Copies0
444JiiTurrcremata 1481https://jamesgray2.me/2024/01/24/two-incunabula-bound-together-one-located-in-only-four-copies-worldwide/https://data.cerl.org/istc/it00553000Bl(2) BOD all  defective 33