e ▁Pal at inae ▁ ▁Var ang ian ▁Guard ▁ ▁Notes ▁ ▁References ▁and ▁further ▁reading ▁ ▁Sand ra ▁J . ▁B ingham , ▁The ▁Pra et or ian ▁Guard ▁in ▁the ▁Political ▁and ▁Social ▁Life ▁of ▁Jul io - Cla ud ian ▁Rome , ▁un pub lished ▁Ph D ▁th esis , ▁University ▁of ▁British ▁Columbia ▁ 1 9 9 7 ▁ ▁Sand ra ▁J . ▁B ingham , ▁The ▁Pra et or ian ▁Guard : ▁A ▁History ▁of ▁Rome ' s ▁El ite ▁Special ▁Forces ▁( W aco ▁ 2 0 1 2 ). ▁Review ed ▁here . ▁ ▁Ross ▁Cow an , ▁" Pro te ct ing ▁the ▁Emperor ", ▁Military ▁Illustr ated ▁ 2 5 9 ▁( 2 0 0 9 ), ▁ 2 4 – 3 1 ] ▁ ▁Ross ▁Cow an , ▁Roman ▁Gu ards man , ▁ 6 2 ▁BC ▁– ▁AD ▁ 3 2 4 ▁( O x ford ▁ 2 0 1 4 ) ▁▁ ▁Marcel ▁Dur ry , ▁Les ▁coh ort es ▁pr ét or iennes ▁( B ibli othèque ▁des ▁É col es ▁français es ▁d ' A th ènes ▁et ▁de ▁Rome , ▁ 1 4 6 ), ▁Paris , ▁De ▁B oc card , ▁ 1 9 3 8 ▁ ▁L . ▁Ke pp ie , ▁" The ▁Pra et or ian ▁Guard ▁Before ▁Se jan us ", ▁Ath ena e um ▁ 8 4 ▁( 1 9 9 6 ), ▁ 1 0 1 - 1 2 4 ▁=