Parishes -- England -- History -- To 1500. / https://id.loc.gov/authorities/subjects/sh85098086 https://id.loc.gov/authorities/names/n82068148-781 https://id.loc.gov/authorities/subjects/sh2002006121 : French, Katherine L.
Parishes -- Italy -- Bologna -- History -- To 1500. / https://id.loc.gov/authorities/subjects/sh85098086 https://id.loc.gov/authorities/names/n79021394-781 https://id.loc.gov/authorities/subjects/sh2002006121 : Wray, Shona Kelly.
2009
1
Parishes -- Kenya. / https://id.loc.gov/authorities/subjects/sh85098086 https://id.loc.gov/authorities/names/n80061011-781 : Bodewes, Christine.
2013
1
Parishes -- Massachusetts -- Boston -- History. / https://id.loc.gov/authorities/subjects/sh85098086 https://id.loc.gov/authorities/names/n79045553-781 https://id.loc.gov/authorities/subjects/sh99005024 : Seitz, John C.
2011
1
Parishes -- New York Metropolitan Area. / https://id.loc.gov/authorities/subjects/sh85098086 https://id.loc.gov/authorities/subjects/sh85091481-781 : Tomasi, Silvano M.
1975
1
Parishes -- Virginia. / https://id.loc.gov/authorities/subjects/sh85098086 https://id.loc.gov/authorities/names/n79022909-781 : Wells, Guy Fred,
1969
1
Parishes -- Wales -- History -- 18th century. / https://id.loc.gov/authorities/subjects/sh85098086 https://id.loc.gov/authorities/names/n80014574-781 https://id.loc.gov/authorities/subjects/sh2002006124 : Snell, K. D. M.
2006
1
Parishes -- Wales -- History -- 19th century. / https://id.loc.gov/authorities/subjects/sh85098086 https://id.loc.gov/authorities/names/n80014574-781 https://id.loc.gov/authorities/subjects/sh2002006167 : Snell, K. D. M.
2006
1
Parishes -- Wales -- History -- 20th century. / https://id.loc.gov/authorities/subjects/sh85098086 https://id.loc.gov/authorities/names/n80014574-781 https://id.loc.gov/authorities/subjects/sh2002006165 : Snell, K. D. M.
Here are entered works discussing the theory which states that exchange rates between currencies are in equilibrium when their purchasing power is the same in each of two countries.