The collection has been in one volume since the 16th century at least. The contents are as follows:
[(i) A printed book: Johannes de Hildesheim, ‘Liber de gestis ac translatione trium regum’, etc., ([Cologne], 1478) = National Library of Scotland Inc.43 (B.M.Cat. IB 4236) (folio 1)]. Folio 56 blank.
(ii) Baebius Italicus (?), `Ilias latina` (‘Poetae latini minores’ ii.3; this manuscript is not included in the list given by P Vollmer in ‘Sitzungsberichte der Bayerischen Akademie’, 1913), followed by `Declaratio precedentis libelli intentio Homeri et diversitates mominum` and `Pii secundi pontificis maximi in laudem Homeri prefacio’ with quotations from `Virgil’ (‘Anthologia Latina’ 674a.1-4), `Ovid` (‘Anthologia Latina’ 1 praefatio 1-2), Ovid (A.A. ii.279-280), `Alexandrios’ (Gautier de Chatillon, ‘Alexandreis’, i.478-485), and Pius II (13 verses, beginning `Argumenta locos u(er)sus totu(m)que poema`; and 19 verses, beginning `Vivet Meonides Tenedos du(m) stabit (vel) Ide`) (folio 57). Folio 86 blank.
(iii) Pius II, epist. cccxcv first half (‘Aengae Sylvii ... opera ...’, Basle, 1551, pages 869-871 1.6) (folio 87).
(iv) Dionysius Periegetes, ‘Οίκουμένης περιήγησης’, translated by Antonio Beccaria (folio 90).
(v) A paragraph `De origine Troianorum`, and Dares Phrygius, `De excidio Troiae`; 30 ‘quod iam’ to 33 ‘Troilum’ and 36 ‘subsistere’ to the end are lost (folio 117).
There is a 16th-century contents list on folio 5 verso (from circa 1640 to 1970 this was bound in at the end of Adv.MS.18.3.11), and one by Sir James Balfour on folio iv verso. On folio 89, in two 16th-century hands, are a table giving for the years 1562 to 1570 the date of Easter, the golden number, and the dominical letter, in English; `Regula generalis de mutatione lune`, in English; and a definition of a leap year, in Latin.
In section (ii) there is an ornate initial in red and blue; in section (iii) two plain initials in respectively blue and red; in section (iv) the first initial is in blue with red tracery, later ones are in red; in section (v) there are plain initials in blue and red. Sections (ii) and (iii) are in round humanistic hands, (iv) and (v) in gothic hands.
There are copious contemporary interlinear glosses in section (ii), occasional marginal notes there and elsewhere. There is a marginal note in the hand of Archibald Whitelaw secretary to James III, at folio 68: `Dyomedes i(n) hoc loco vulnerat venere(m)`.