- Origin of the Indian Civilizations in South America (Nordenskiold, Erland, Comparative Ethnographical Studies, 9.) by Erland Nordenskiold, Erland Norderskiold, et all June, 1975
- Advanced Abacus: Theory and Practice by Takashi Kojima, June, 1991
- An Assessment of Flywheel Energy Storage Technology for Hybrid and Electric Vehicles (1996) by Abacus Technology Corporation, October, 1996
- Abacus 4: Teachers' Book: England and Wales (Abacus) by Ruth Merttens, David Kirkby, 04 April, 1997
- The House on the Embankment (Abacus) by Yurii Trifonov, 31 December, 1985
- Abacus 6: Number Textbook 1: Number Textbook 1 (Abacus) by Ruth Merttens, David Kirkby, 14 April, 1998
- Abacus 2: Infant Teachers' Book: Scotland (Abacus) by Ruth Merttens, David Kirkby, January, 1996
- Abacus 6: Answer Book (Abacus) by Ruth Merttens, David Kirkby, 14 April, 1998
- Abacus 2: Infant Simmering Activities (Abacus) by Ruth Merttens, David Kirkby, January, 1996
- Abacus 2: National Numeracy Strategy Support Pack (Abacus) by Ruth Merttens, David Kirkby, 26 May, 1999
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