On the Darwinian Hypothesis of Sexual Selection (scientific monograph) 1895

Unprofessional Tales [as Normyx, with Elsa FitzGibbon] (short stories) 1901

Siren Land (travelogue) 1911

Fountains in the Sand: Rambles Among the Oases of Tunisia (travelogue) 1912

Old Calabria (travelogue) 1915

London Street Games (essay) 1916

South Wind (novel) 1917

They Went (novel) 1920

Alone (travelogue) 1922

Together (travelogue) 1923

D. H. Lawrence and Maurice Magnus: A Plea for Better Manners (essay) 1925

Experiments (essays, reviews, and stories) 1925

In the Beginning (novel) 1927

Birds and Beasts of the Greek Anthology (essays) 1927

Some Limericks (poetry) 1928

Nerinda (short story) 1929

One Day (travelogue) 1929

How About Europe? Some Footnotes on East and West [republished as Good-bye to Western Culture, 1930] (essay) 1929

Capri: Materials for a Description of the Island (travelogue) 1930

Paneros. Some Words on Aphrodisiacs and the Like (essay) 1932

Summer Islands: Ischia and Ponza (travelogue) 1931

Looking Back: An Autobiographical Excursion (reminiscences) 1933

An Almanac (epigrams) 1941

Late Harvest (essays) 1946

Footnote on Capri (travelogue with photographs) 1952