Article Wade, Nicholas J. (1981)
A note on the history of binocular microscopes. Perspectiva (pp. 591-592). (/isis/citation/CBB000026627/) unapi

Article Day, Ross H.; Knuth, Hannelore (1981)
The contributions of F. C. Müller-Lyer. Perspectiva (pp. 126-146). (/isis/citation/CBB000013955/) unapi

Article Ross, Helen E.; Bischof, Klaus (1981)
Wundt's views on sensations of innervation: A reevaluation. Perspectiva (pp. 319-329). (/isis/citation/CBB000024487/) unapi

Article Hell, Wolfgang (1981)
Research on monocular depth perception between 1884 and 1914: Influence of the German Unfallversicherungsgesetz and of the jurisdiction of the Reichsversicherungsamt. Perspectiva (pp. 683-694). (/isis/citation/CBB000024502/) unapi

Article Lynes, John A. (1980)
Brunelleschi's perspectives reconsidered. Perspectiva (pp. 87-99). (/isis/citation/CBB000016116/) unapi

Article Wade, Nicholas J. (1978)
Sir Charles Bell on visual direction. Perspectiva (pp. 359-362). (/isis/citation/CBB000008927/) unapi

Article Ross, Helen E.; Ross, George M. (1976)
Did Ptolemy understand the moon illusion?. Perspectiva (pp. 377-385). (/isis/citation/CBB000027044/) unapi