William Thomson (Author of The Safe Landfall.)

NLS:V000684561

Alexander SPENCER (Author of Tables of Land Measures.)

BL:A0018186137

William Shackleton (author of The mental calculator.)

OXFORD:600010646

Hardwick (Author of "The Traders' Check-Book.")

BL:A0020341177

Alexander PEDDIE (Author of the "Practical Measurer.")

BL:A0021951900

William Shackleton (author of The mental calculator.)

OXFORD:600003047

Calculators

James Laurie (Author of Tables of Simple Interest.)

NLS:V000607874

David BOOTH (Author of the Analytical Dictionary.)

BL:A0024533557

Alexander PEDDIE (Author of the “Practical Measurer”.)

BL:A0018122014

John Macdermid (Author of A Compendium of the Principles of Arithmetical Science.)

NLS:B900054914

James Laurie (Author of Tables of Simple Interest.)

NLS:V000607877

John Murphy (Author of The Manufacturer's and Weaver's Companion.)

NLS:B900061454

Weaving

Telegraph Code / Author of the General telegraph code

NLS:V000683368

Thomas Downie (Author of The Iron and Metal Trades' Companion.)

NLS:V000570140

James Laurie (Author of Tables of Simple Interest.)

NLS:V000304904

Indian Domestic Economy / Author of Manual of gardening for Western India

NLS:V000599845

William TURNBULL (Author of “A Treatise on Cast-Iron Beams and Columns.”.)

BL:A0017580010

Thomas Moor (author of Counsels and thoughts.)

OXFORD:590693374

James PERRY (Author of “The Perryian System of Education”.)

BL:A0019049399

United States Department of the Interior. U.S. Fish and Wildlife Service. Bureau of Sport Fisheries and Wildlife, author

UOM:39015095241579

Bird populations

John B. JOHNSTONE (Dramatic Author.)

BL:A0026279745

C. Taylor (Author of Problematic test cards.)

NLS:V000682935

Arithmetic

Kātyāyana (Author on Smr̥tiśāstra) / Shaḍguruṣishya

OXFORD:303975875

Charles Hoare (Author of Iron and Steel.)

NLS:V000593971

Author of Indian outfits

BL:A0026200684

Infants

Charles Fenn (Author of A Compendium of the English and Foreign Funds.)

NLS:V000576160

Gerald Hastings / Author of No appeal

NLS:V001487699

Madame La Marquise / Author of Dacia Singleton

NLS:V000632785

No Author

9789390308316 / 9390308313

Mathematics

John Shaw (Author of The Yarn Calendar.)

NLS:V000669436