Signed by Author. Black boards with gold lettering to spine, glazed pictorial unclipped dj with clear removable protective sleeve, 383pp, no inscriptions. Clean and bright pages with colour photographs throughout.  (Any digital image can be provided upon request.)

Black boards with gold lettering to spine, glazed pictorial unclipped dust jacket in new removable protective clear sleeve. 296pp. No inscription. Clean pages with slight fading to edges and black and white images throughout. (Any Digital image can be produced upon request)

Glazed pictorial card wraps, 253pp. Clean and bright pages. (any digital image can be provided upon request)

Glazed pictorial card wraps, 353pp. Clean and bright pages, translated by George Schulz-Behrend (any digital image can be provided upon request)

Green boards with gold lettering to spine, glazed pictorial unclipped dj, minor shelf wear to top edge of dj, 256pp, no inscriptions. Clean and bright pages with colour images throughout. Heavy book so an increase in postage price may be applied. (Any digital image can be provided upon request.)

Green boards with gold lettering to spine, glazed pictorial unclipped dj, minor shelf wear to top edge of dj, 256pp, no inscriptions. Clean and bright pages with colour images throughout. Heavy book so an increase in postage price may be applied. (Any digital image can be provided upon request.)

Black boards with gold lettering to spine, glazed pictorial unclipped dust jacket with small tear at bottom front, now in a new removable protective clear sleeve.  Numbers printed on publication page 1 3 5 7 9 10 8 6 4 2" Clean and bright pages throughout. (Any digital image available on request).

Glazed pictorial card wrap. 68pp. Small mark to corner of ffep where price sticker was removed. Clean and bright pages throughout. (Any digital image available on request).

Glazed pictorial card wraps, 154pp. Clean and bright pages, colour photographs throughout. (any digital image can be provided upon request)

Glazed pictorial card wraps. 86pp. Small neat name to ffep. Clean and bright pages throughout. (any digital image can be provided upon request.)

Rare in the original DJ, not price clipped, but no price on inside flap. There is a price on DJ at bottom of spine 2/- net. In a new removable protective clear sleeve.Clean pages with diagrams throughout. Has a name and address written on ffep.  (Any digital image available on request).

 Being the William Belden Noble Lectures delivered in Harvard University 1925-1926.  Red boards with gold lettering to the spine. Unclipped DJ, now in a new removable protective clear sleeve. $2.50 net. Pages have gold edges at top and are clean throughout. (Any digital image available on request).