These transcriptions of Sussex parish registers are recent additions to the list of PRTS publications. See
http://www.prtsoc.org.uk/One or other of them may be of interest to readers of this board. I ordered the Mayfield volume yesterday - as a customer of the society I've always found them to give very good service.
Linchmere, St Peter
PRTS volume number: SXW079
Baptisms: 1565-1602, 1605-1716, 1742-1901
Banns: 1653-1657, 1755-1902
Marriages: 1566-1725, 1753-1899
Burials: 1566-1697, 1714-1717, 1742-1902
Mayfield, St Dunstan's (transcribed by the SFHG)
PRTS volume number: SXE080
Baptisms: 1571-1812
Banns: N/A
Marriages: 1571-1812
Burials: 1571-1812
Yapton, St Mary
PRTS volume number: SXE081
- can't find the dates for this volume.
(The Linchmere volume seems to be missing from the PRTS on-line ordering system.)