No Inv.: 110026/PSM/Perp/07/1c~112463-112466/P/Perp/08/4c
Bibliografi : hlm. 259-261 No Inv.: 135719/SM/Perp/13/1c
Bibliografi : hlm. 433-450 No Inv.: 142344-142424/P/Perp/14/5c
No Inv.: 114525/S/Perp/08/1c
Perpustakaan memiliki jilid 3
No Inv.: 115626-115628/P/Perp/09/3c
No Inv.: 3600/P/99/1c~74872/P/00/1c
No Inv.: 3214-3218/P/Perp/99/5c~66180,66182,66184,66186,66187/P/00/5c
Bibliografi : hlm. 213
Judul asli : "The secret of childhood"