No Inv.: 369-371/BLN/Perp/91/3c
No Inv.: 3557/Perp/86/1c
No Inv.: 1289-1291/BD/Perp/91/3c~2109-2110/BD/Perp/87/2c
No Inv.: 1964-1965/BD/Perp/87/2c
No Inv.: 918-919/BD/Perp/86/2c~2726/Perp/86/1c~2529/S/Perp/89/1c
No Inv.: 992-993/BD/Perp/86/2c
No Inv.: 3484/Perp/86/1c
No Inv.: 678/Perp/82/1c
No Inv.: 268-269/BD/Perp/86/2c
Judul asli : "Lectures on Classical Differential Geometry"