The typed crossed letters read the same when turned upside down. This is the only dsh typed reversal poem in the Sackner Archive. -- Source of annotation: Marvin or Ruth Sackner.

Houedrad draws a diagram describing how this reversal poem is to be set up on a looking glass.On the lower left side is inscribed " for ihf" e.g. Ian Hamilton Finlay. On the lower right an additional poem is drawn in rectangles that reads "louez" and "longs." -- Source of annotation: Marvin or Ruth Sackner.

Houedrad draws a diagram describing how this reversal poem is to be set up on a looking glass. His instructions are "this version may be printed on thick white (card) to stand on looking glass best wld be for card to be such that it can be bent thus." -- Source of annotation: Marvin or Ruth Sackner.

The word "philosphy" is presented as a reversal poem so that it reads the same when the print is turned upside down. Dom Sylvester Houedard, the British poet, also created poem reversals which could be read in a similar manner but the reversal created a new word(s). In Langdon's print, one aphorism reads "Philosophy may require looking at ideas from both sides." -- Source of annotation: Marvin or Ruth Sackner.

Houedard wrote this poem with his typical printed letters. -- Source of annotation: Marvin or Ruth Sackner.