A theory of formal deducibility.

Bibliography: p. 123-129.

Natural deduction, the logical basis of axiom systems

Mode of access: Internet.

Principia mathematica,

Mode of access: Internet.

Prinzipien der Mathematik /

Photocopy of typescript.

The dramatic works of Gerhart Hauptmann /

(Vol. 8 translated by Willa and Edwin Muir.)

Perceptual factors and meanings of symbolic information elements. Volume I, executive summary.

Mode of access: Internet.

Perceptual factors and meanings of symbolic information elements. Volume II, technical report.

Mode of access: Internet.

I. An exposition of the symbolic terms of the second part of Faust. II. How this part thus proves itself to be a dramatic treatment of the modern history of Germany worthy of the genius of Goethe and the life he devoted to the task. (The prologues and first act completely explained; the other acts generally).

Mode of access: Internet.

The psychology of efficiency; an experimental study of the processes involved in the solution of mechanical puzzles and in the acquisition of skill in their manipulation,

Vita.

On Riemann's theory of algebraic functions and their integrals : a supplement to the usual treatises /

Photocopy. [Ithaca, N.Y. : Cornell University Libraries, 1977]--xii, 76 p. on [44] leaves ; 26 x 38 cm. fold. to 25 x 19 cm.

An Historical and literary account of the formularies, confessions of faith, or symbolic books, of the Roman Catholic, Greek, and principal Protestant churches,

Mode of access: Internet.

Use and care of the microscope. Extracts from Manipulation of the microscope.

Mode of access: Internet.

The mechanician, a treatise on the construction and manipulation of tools, for the use and instruction of young engineers and scientific amateurs; comprising the arts of blacksmithing and forging; the construction and manufacture of hand tools, and the various methods of using and grinding them; description of hand and machine processes; turning and screw cutting; and the various details of setting out work incidental to the mechanical engineer's and machinist's art.

Mode of access: Internet.

Anatomical manipulation; or, The methods of pursuing practical investigations in comparative anatomy and physiology.

Mode of access: Internet.