No Inv.: 170-171/P/Perp/95/2c
No Inv.: 971-975/P/Perp/95/5c
No Inv.: 127-128/P/Perp/95/2c
No Inv.: 10478-10477/P/Perp/92/3c
Judul asli : "The Indonesian Vowels : Accoustic and Perceptual Explorations"
No Inv.: 5423-5432/S/Perp/90/10c
No Inv.: 4861-4871/S/Perp/90/11c~66508-66509/P/00/2c
No Inv.: 5797-5799/P/Perp/92/3c~393/S/00/1c~393/s/2000/1c
No Inv.: 2921-2925/P/Perp/92/5c