No Inv.: 1524/S/Perp/96/1c
No Inv.: 2017/Perp/87/1c
Bibliografi : hlm. 100-101
Judul asli : "Introduction to Plant Geography and Some Related Science"
No Inv.: 491499/P/Perp/94/9c
No Inv.: 059/AF/Perp/93/1c~1772-1773/BD/Perp/87/2c
No Inv.: 6147/AF/Perp/95/1c
No Inv.: 160-161/P/Perp/95/2c