These are a few of the catalogues issued by Ken Leach.
By Bruce McKinney
Ken Leach, the New Hampshire book dealer, has been in the trade for more than a quarter century. He is an independent sort as would be expected of a book dealer and doubly expected of one plying the trade in New England. A while ago he lent us a complete run of his catalogues to add to the AED and we have been working by fits and starts this year to complete them. Recently we added 1,390 of his catalogue entries from 1982, 1983 and 1985 and they are searchable as a group as part of this article. They are all searchable in a search box provided on page 4 of this article.
These catalogues afford an opportunity to see how his prices then compare to prices asked today. The material falls into the following categories: 18th & 19th century American printings, author collections, autographs and manuscripts, juveniles, American books of the 20th century and English imprints. There is of course a dose of miscellaneous material as well. In a few cases where multiple copies of the same title were offered in one catalogue we have selected only the best of several copies. A link is provided at the end of this article to a database of these catalogue descriptions.
First we'll do a test search. Select the AUTHOR field and search for Smith. We find 8 records that match. One is printed in 1776. It is "An Oration in Memory of General Montgomery". Using information contained in this record I now construct a search in the advanced search field on ABE. I put "Smith" in the author field, "Oration" in the title field and 1776 in the date range and find one match. This is a well described copy from Helen Kahn and Associates of Montreal. The price is $900. When Mr. Leach offered his copy in 1983 he priced it at $75. This gives you a direct comparison of then and now and it's very interesting.
To look at all the material in these catalogues I suggest you now select the default "Show me all records" option in the search screen. This will take a few seconds to load because we are going to bring up all the records in these five catalogues. Now you can quickly view brief lot descriptions with the option to open any records of interest. In a short time you will see how the pricing has changed. Every person will look up different things. If there are eight million stories in the naked city there are also millions of unique perspectives in book collecting.
Sotheby’s, Dec. 11: Darwin and Wallace. On the Tendency of Species to form Varieties..., [in:] Journal of the Proceedings of the Linnean Society, Vol. III, No. 9., 1858, Darwin announces the theory of natural selection. £100,000 to £150,000.
Sotheby’s, Dec. 11: J.K. Rowling. Harry Potter and the Philosopher's Stone, 1997, first edition, hardback issue, inscribed by the author pre-publication. £100,000 to £150,000.
Sotheby’s, Dec. 11: Wolfgang Amadeus Mozart. Autograph sketchleaf including a probable draft for the E flat Piano Quartet, K.493, 1786. £150,000 to £200,000.
Sotheby’s, Dec. 12: Hooke, Robert. Micrographia: or some Physiological Descriptions of Minute Bodies made by Magnifying Glasses. London: James Allestry for the Royal Society, 1667. $12,000 to $15,000.
Sotheby’s, Dec. 12: Chappuzeau, Samuel. The history of jewels, first edition in English. London: T.N. for Hobart Kemp, 1671. $12,000 to $18,000.
Sotheby’s, Dec. 12: Sowerby, James. Exotic Mineralogy, containing his most realistic mineral depictions, London: Benjamin Meredith, 1811, Arding and Merrett, 1817. $5,000 to $7,000.
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Swann Maps & Atlases, Natural History & Color Plate Books December 9, 2025
Swann, Dec. 9: Lot 156: Cornelis de Jode, Americae pars Borealis, double-page engraved map of North America, Antwerp, 1593.
Swann, Dec. 9: Lot 206: John and Alexander Walker, Map of the United States, London and Liverpool, 1827.
Swann, Dec. 9: Lot 223: Abraham Ortelius, Typus Orbis Terrarum, hand-colored double-page engraved world map, Antwerp, 1575.
Swann Maps & Atlases, Natural History & Color Plate Books December 9, 2025
Swann, Dec. 9: Lot 233: Aaron Arrowsmith, Chart of the World, oversize engraved map on 8 sheets, London, 1790 (circa 1800).
Swann, Dec. 9: Lot 239: Fielding Lucas, A General Atlas, 81 engraved maps and diagrams, Baltimore, 1823.
Swann, Dec. 9: Lot 240: Anthony Finley, A New American Atlas, 15 maps engraved by james hamilton young on 14 double-page sheets, Philadelphia, 1826.
Swann Maps & Atlases, Natural History & Color Plate Books December 9, 2025
Swann, Dec. 9: Lot 263: John Bachmann, Panorama of the Seat of War, portfolio of 4 double-page chromolithographed panoramic maps, New York, 1861.
Swann, Dec. 9: Lot 265: Sebastian Münster, Cosmographei, Basel: Sebastian Henricpetri, 1558.
Swann, Dec. 9: Lot 271: Abraham Ortelius, Epitome Theatri Orteliani, Antwerp: Johann Baptist Vrients, 1601.
Swann Maps & Atlases, Natural History & Color Plate Books December 9, 2025
Swann, Dec. 9: Lot 283: Joris van Spilbergen, Speculum Orientalis Occidentalisque Indiae, Leiden: Nicolaus van Geelkercken for Jodocus Hondius, 1619.
Swann, Dec. 9: Lot 285: Levinus Hulsius, Achtzehender Theil der Newen Welt, 14 engraved folding maps, Frankfurt: Johann Frederick Weiss, 1623.
Swann, Dec. 9: Lot 341: John James Audubon, Carolina Parrot, Plate 26, London, 1827.