Bibliografi : Hlm. 437-439
No Inv.: 01-10/P/Perp/97/10c
Bibliografi : hlm. 217-222
Bibliografi : hlm. 291-297
Bibliografi : hlm. 371
Judul Asli : Basic Montessori, Learning Activities for Under-Fives. Bibliografi : hlm. 376-377
Bibliografi : hlm. 238-0241
No Inv.: 129384/SM/Perp/11/1c~129910/SM/Perp/11/1c~135006/SM/Perp/13/1c
Bibliografi: hlm 311-324
Termasuk bibliografi No Inv.: 135826/PH/Perp/13/1c~141156/PSM/Perp/14/1c~146602-146604/P/Perp/14/3c