The Brotherhood of Poland New Hampshire - 2003 Tough Love 1-3 was released on:
USA: 8 October 2003
Tough - 2012 was released on: USA: August 2012
Tough Target - 1995 was released on: USA: 1995
Tough - 1974 was released on: USA: 24 July 1974
Apparently there are two merchants in the game which you can get it from. The 'tough guard' guarding the Brotherhood of Steel initiate in The Hub - The old town.
A Tough Dance - 1902 was released on: USA: June 1902
The Tough Dance - 1901 was released on: USA: July 1901
It was easy for Germany to invade Poland (1) Because it is a nearby country and (2) because Poland is flatland. Tough terrain such as mountains are a major setback and have cost many military groups all over the world great loses.
Pretty Tough - 2011 was released on: USA: August 2011 (limited)
Muzzle Tough - 1954 was released on: USA: 26 June 1954
Semi-Tough - 1980 was released on: USA: 29 May 1980
Tough Cookies - 2011 was released on: USA: 10 July 2011
Tough Cookies - 1986 was released on: USA: 5 March 1986