grayt.ead.0001-mss.0033Thomas Gray Manuscripts:An Inventory at the Thomas Gray Archive.Alexander HuberThomas Gray Archive2006Catalogued in EAD 2002 by Alexander Huber,
Editor, Thomas Gray Archive, 2005-Englishgrayt.ead.0001-mss.0033#did0001mss.poemsPoems[ca.
1725]-1771poems.lt06De Principiis Cogitandi. Liber
Secundus. Hactenus haud segnis Naturae arcana retexi1775LatinStarr/Hendrickson (eds.), Complete Poems (1966), 168-170 (with English
prose translation)Lonsdale (ed.), Poems (1969), 328, 332 (with English
prose translation)
Begun at Stoke Poges in
June 1742 and sent
in a letter, dated [8 February 1747], to
Horace Walpole.
First published, as "Liber Quartus", in Mason's
Memoirs (1775), 168-169.
mss.0033poems.lt06Liber Secundus. De Principiis
Cogitandi17421autograph fair copy, revised, partialLatin
GBR/1058/GRA/1, Commonplace Book, Vol. I, 286 College Library PBCC
Microfilm copy available in Poetic Commonplace Books and Manuscripts of Thomas Gray, 1716-1771, from Pembroke College, Cambridge (1999),
reel one
Smith (ed.), Index (1989), item GrT 25, 81Poetic C.
B., Pembroke College (1999), 25
Autograph fair copy, revised, here entitled
Liber Secundus. De Principiis
Cogitandi, unfinished, annotated "Begun at
Stoke, June, 1742", in
Gray's Commonplace Book, vol I, 286.