He wrote or co-wrote a number of works on beekeeping and botany. With Gaston Bonnier (1853–1922), he was co-author of a book on apiculture called "Cours complet d'apiculture" and a publication on plants of northern France and Belgium titled "Nouvelle flore du Nord de la France et de la Belgique". Other publications associated with Layens include:
Elevage des abeilles: par les procédés modernes pratique et théorie, 1882 - Beekeeping: modern procedures, practice and theory.
Les abeilles: pratique de leur culture: miel, cire, hydromel, 1885 - Bees: their culture: honey, wax, mead.
Le rucher illustre, erreurs à éviter et conseils à suivre, 1900 - Apiary through illustrations, mistakes to avoid and tips to follow.[4]
"Notice sur Georges de Layens (1834-1897)" by Gaston Bonnier.[5]