Exercises in nature study: With directions for observation, drawing, description and modelling. James nisbet & co. Ltd.
Chicago Edition CitationExercises in Nature Study: With Directions for Observation, Drawing, Description and Modelling. London: James nisbet & co. Ltd.
MLA Edition CitationExercises in Nature Study: With Directions for Observation, Drawing, Description and Modelling. James nisbet & co. Ltd.
Warning: These citations may not always be 100% accurate.