Science

Meteoric astronomy: A treatise on shooting-stars, fire-balls, and aerolites

The theory of relativity and its influence on scientific thought

Inventing Chemistry

The Elements of Geology; Adapted to the Use of Schools and Colleges

The Foundations of Science: Science and Hypothesis, The Value of Science, Science and Method

Photographing the Deep Sky

Evolutionaries

Visionary Women

Armoured Warfare in the First World War

The Watery Grave

What Really Happens When You Die?

Hunting Monsters

The Oysters of Locmariaquer

The Baltic peoples. Indo-European Migrations

Top Ten Deadliest Spiders in the World

The Romanic peoples. Indo-European migrations

Ethnogenesis of the Turkic peoples. Languages, peoples, migrations, customs

The Celts. Indo-European Migrations

Design of a Spacecraft with Electromagnetic Fields Propulsion

Na pobail Cheilteach. Imirce Ind-Eorpacha