transportation -- bicycling --- Bicycling in 1898 ---- by Thomas R. Bayles	1971: 252+*
transportation -- bicycling --- Low tide biking ---- letter by Ezra Hallock Youn	1953: 230(L) 1954: 151(L)
transportation -- bicycling --- More about bikes ---- letter by George E. Hart	1953: 134, 137(L), 208(L)