El negrito poeta mexicano y sus populares versos. Contribucion para el fold-lore nacional,

Mode of access: Internet.

The great Mississippi highway; a three-fold transportation artery, water, rail and automobile. 1200 miles of winding channel, hazardous to navigation, reduced to 600 miles of direct, safe, rapid transportation ... would permanently eliminate the flood problem ...

Folded plan laid in.

A papist mis-represented and represented or A two-fold charactery of Popery : the one containing a sum of the superstitions, idolatries, cruelties, treacheries and wicked principles of that Popery which ... deserves the hatred of all good Christians, the other laying open that Popery, which the Papists own and profess ... /

Mode of access: Internet.

The three-fold San-tsze-king; or, The triliteral classic of China /

The original "San tsze king" is generally ascribed to Wang Ying-lin, otherwise known as Wang Po-hou. (Wang-Po-keou).

Biology and control of the pine needle-sheath miner, Zelleria haimbachi Busck (lepidoptera; hyponomeutidae) /

"April 1959."