College Station, TX: Texas A&M University Library, 1973. Quarto, 17 leaves printed on rectos only, stapled in card covers with brown cloth tape spine. Small crease to lower outer corners, staple indentations to fore margin of rear cover and last few leaves, VG otherwise. Text of Professor Clareson's lecture of 14 March, 1972. Miscellaneous Publication 6. Note: lighter parcel, any default postage rate may be reduced.