[1][2][3][4] Concepts and Techniques in Modern Geography were produced by the Study Group in Quantitative Methods of the Institute of British Geographers.

[4]c This à la carte approach allowed only purchasing publications on topics of interest, keeping each CATMOG relatively cheap and accessible, lowering student costs with early copies sold for around $2.00.

[1][2] Each was written by someone working professionally with its topic, which created some issues in consistency between publications in terms of expected knowledge level and general formatting.

[6] As they focused on core concepts of the discipline and were written by experts in the field, they are still often cited today when discussing specific topics.

[8] The Quantitative Methods Research Group (QMRG) at the Royal Geographical Society (with the Institute for British Geographers) has made most of the CATMOG available to download for free on their website.