LEADER 00000nam 2200193 a 4500 001 0538793 003 UkHlHU 007 t 008 000302 2 1946 000 eng 040 UkHlHU 050 4 PM 8000 J1 100 0 Jacob, Henry. 245 00 On the choice of a common language. 300 0000p. 650 0 Artificial languages|xUniversal. 650 0 Languages|xArtificial. 946 260 lacks |a 946 260 lacks |b 946 260 lacks |c, 008 has valid date 946 300 data invalid 946 650 has non-LCSH elements -- Check for Geac subject headings
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