Tetsugaku.

no.1; no.2; no.3; no.4; no.5; no.6; no.7; no.8; no.9; no.10; no.11; no.12; no.13; no.14; no.15; no.16; no.17; no.18; no.19; no.21-22; no.23; no.24; no.25-26; no.27; no.28; no.29; no.30; no.31; no.32; no.33; no.34; no.35; no.36; no.37; no.38; no.39; no.40 (1961); no.41 (1961); no.42 (1962); no.43 (1963); no.44-45 (1963); no.46 (1965); no.47 (1965); no.48-49 (1966); no.50-51 (1967); no.52-53 (1968); no.54 (1969); no.55-56 (1970); no.57-58 (1971); no.59-60 (1972); no.61 (1973); no.62-63 (1974-75); no.64-69 (1976-79); no.70-71 (1979-80); no.72-75 (1981-82); no.76-77 (1983); no.79-83 (1984-86); no.84-87 (1987-88); no.88-90 (1989-90); no.91-92 (1991-92); no.95-97 (1993-94); no.100-101 (1996-97)