Haliburton flora : an annotated list of the vascular plants of the County of Haliburton, Ontario Q Science
Halley’s comet : an evening discourse to the British Association, at their meeting at Dublin, on Friday, September 4, 1908 Q Science
Handbook and descriptive catalogue of the collections of gems and precious stones in the United States National museum Q Science
Handbook of birds of eastern North America, with introductory chapters on the study of birds in nature Q Science
Handbook of the British flora: a description of the flowering plants and ferns indigenous to, or naturalized in, the British isles .. Q Science