Actaully I felt sorry for the Brits in the 1st half of the 20th century. Many of their rare books were bought by Folger and Huntington, and were unavailable to them. Now to see them you only need a Ph. D, or if an advanced grad student, a stong reccommendation from your departmental thesis advisor.

The 1st editon of 'The Merry Medley, or a Christmas Box for Gay Gallants and Good Companions', vols of 1744 and 1745 are both in the US. The 2nd vol of a reprint of vol 2 is in the USA. England has only a reprint of the 1st volume. Kele's 'Christmas Caroles', c 1550' is in the USA. 'Churchyard's Chance', (with the song "In peascod time"), 1580, -2 copies, both in USA. Robert Armin's 'Fool Upon Fool' (with part of song "Derry's Fair"), unique copies of 1600 and 1604 editions are in USA. Expanded editon, 'A Nest of Ninnies', 1608 - 1 copy at Oxford, the other in USA.