An essay on the principle of population, or, a view of its past and present effects on human happiness : with an inquiry into our prospects respecting the future removal or mitigation of the evils which it occasions / T.R. Malthus.

xvi, 316 pages, 13 plates (including ports. diagram) : frontispiece, maps, facsimiles, tables ; 23 cm

The travel diaries of Thomas Robert Malthus / edited by Patricia James.

xv, 524 pages, 4 unnumbered leaves of plates : illustrations ; 24 cm

From Monday 5 October, all bags will be searched before entry to help keep Wellcome Collection safe and secure. Please allow extra time on arrival.

We're running paid user research studies to improve Wellcome Collection online

Archive collection level pages, plus the archive collection treatment on the work page and in search results.

The catalogue API's shortDescription is shown on the archive collection hero and in search results.

The three thematic browsing category pages (subjects, people & organisations, types & techniques) become accessible.

Subject sub-category pages become accessible, and the subjects category page gains a sub-category menu.