From Riehn
The Russian OB for the (possible) battle of Vitebsk  July 27

1st Western Army Barclay de Tolly  16"A(5)+1D         58    58

  III Inf Corps Tutshkov I  8"G(7)+1                  47
    1st Grenadier Div:  Strogonoff  4"G(6)+1          14
      16 RsGN  16 RsGN  16 RsGN                       51
    3rd Div: Konovnitzin  4"E(8)+2                    19
      16 RsJG  16 RsLN  16 RsLN                       38
    Corps cav  ? Bak 4"A(6)+0                         10
      20 RsLC                                         16
    Art:
      4 Rs12#, 2 Rs6#                                 54
                                                            249

  IV Inf Corps Osterman-Tolstoy  8"G(5)+0             23
    11th Div:  Tchoglokov  3"A(4)+0                   7
      16 RsJG  16 RsLN  16 RsLN                       38
    23rd Div: Bakhmetieff  3"A(5)+0                   8
      16 RsLN  16 RsJG  16 RsCGN                      39
    Corps cav  ? Chevitch 3"A(5)+0                    8
      16 RsLC hussars                                 13
    Art
      4 Rs12#, 2 Rs6#                                 54
                                                            190

  V (Guard) Inf Corps Constantine  7"A(4)+0           18
    Guard Inf Div  Yermolov  4"E(7)+1D                15
      16 RsGJG  16 RsGD  16 RsGD                      62
      16 RsCGN  16 RsCGN  16 RsCGN                    42
    1st Cuirassier Div:  Depreradovitch  4"G(6)+1     14
        16 RsGHC  16 RsGLC                            31
    Art
      4 RsG12#, 2 RsG6#                               60
                                                            242 

  VI Inf Corps: Doctorov  7"G(6)+1                    24
    7th Div: Kapsevitch  3"A(4)+0                     7
      16 RsJG  16 RsLN  16 RsLN                       38
    24th Div: Lichatcheff  3"A(5)+0                   8
      16 RsJG  16 RsLN  16 RsLN                       38
    Corps cav ? Czaplitz 3"G(6)+1                     13
      16 RsLC hussars                                 13
    Art
      4 Rs12#, 2 Rs6#                                 54
                                                            195

  I Cav Corps  Uvarov  5"G(4)+0                       16
    16 RsHC  dragoons                                 15
    16 RsLC  uhlans                                   13
    2 Rs6#                                            18
                                                            62
  III Cav Corps  Pahlen III   5"G(7)+1                21
    12 RsHC  12 RsHC  dragoons                        22
    16 RsLC  hussars                                  13
    2 Rs6#                                            18
                                                            74
  Cossacks  Kaisarov  3"A(5)+1                        10
    12 RsCLC  12 RsCLC                                14
                                                            24

   66080 men                                          total 1094