English Bastard-sword/longsword

There are four handwritten manuscripts on English swordplay devoted to the “two-handed sword."  The anonymous Harleian MS. 3542 is dated circa 1450. The Cotton Titus MS. is later in date, approximately late 15th century has two parts, the “Strokez off ij hand swerde” and “Strokes atte þe ij hande staffe”. Additional MS. 39564, signed by “J. Ledall”, is later still, probably the early 16th century. Lastly, Sloane MS. 376, published as George Silver’s Brief Instructions on my Paradoxes of Defence, from around 1605, where he says that two handed swords “are to be used in the fight as the short staff.”
In England, there was a distinction made between different types of “two handed sword,” particularly between the “longe sworde” and the “Basterd Sword”; according to Joseph Swetnam the Bastard Sword was “something shorter then a long Sword, and yet longer then a Short-sword”. However, Silver said you may “play upon double & single hand, at the 2 hand sword”, indicating a weight that could be wielded with one hand as well as two, that is no more than around 1.4kg (3lbs). Given this, his recommended weapon would be classed as a “Bastard sword” in English terminology, and this is our preferred type of two-handed sword