What has the author H J written?

Answer 1

H. J. has written:

'The pancronometer or universal Georgian calendar, adjusted to the Gregorian and Julian accounts'

'The pancronometer, or univesal Georgian calendar'

Answer 2

J. H. has written:

'The fatal union of France and Spain'

'A Pindarick ode on the death of His Late Sacred Majesty King Charles II of blessed memory' -- subject(s): Poetry