Texts
An account of the flight of the Fir Bolg to a number of islands following their defeat in the battle of Mag Tuired; their expulsion by the Picts; and their return to Ireland with the aid of Ailill and Medb of Connacht.

Manuscript witnesses

MS
Oxford, Bodleian Library, MS Rawlinson B 512/III (ff. 75B-100, 37-44) 
context: Lebor gabála Érenn (Recension B)   incipit: Fir Bolc tra ro tamnait isin cath sin inge mad bec [...]   incl. Lebor gabála Érenn/2F(2). Immirgi Mac nÚmóir   Tract on the migrations of the Fir Bolg after the battle at Mag Tuired. Macalister, vol. 4, §§ 291-293.
in section: f. 76Ara.i–f. 76Arb

Sources

Primary sources Text editions and/or modern translations – in whole or in part – along with publications containing additions and corrections, if known. Diplomatic editions, facsimiles and digital image reproductions of the manuscripts are not always listed here but may be found in entries for the relevant manuscripts. For historical purposes, early editions, transcriptions and translations are not excluded, even if their reliability does not meet modern standards.

[ed.] [tr.] Macalister, R. A. Stewart [ed.], Lebor gabála Érenn: The book of the taking of Ireland, 5 vols, vol. 4, Irish Texts Society, 41, Dublin: Irish Texts Society, 1939.
Internet Archive: <link>
22–27 (§§ 291–293, Rec. B); 34–41 (§§ 298–300, Rec. C); + verse texts

Secondary sources (select)

Scowcroft, R. Mark, “Leabhar Gabhála. Part I: the growth of the text”, Ériu 38 (1987): 79–140.  
108