Go to page 10 of this pdf to read an article I wrote for Taylor Guitar's Wood and Steel magazine about high-strung guitars.
Here's a Larrivee Parlor guitar - Larrivee P-03 Parlor - Used
This string set you can break up into two sets, one normal, one high strung -
Elixir Strings Acoustic Guitar Strings, 12-String, Light NANOWEB Coating
Elixir 11150 Elixir Poly Acous 12-Stg Lite