Ifugao sculpture - Knothe, Florian; Kurer, Martin (Art collector); Maculangan, At; Maculangan, At (University Museum and Art Gallery, the University of Hong Kong, 2017)
"Catalogue accompanying the exhibition Traditional Cordillera art: Ifugao sculpture, expressions in Philippine Cordillera art, University Museum and Art Gallery, the University of Hong Kong, 1 December 2017-4 February 2018" –title page.