| 1. 
  |  | Title: Immersion Education : International Perspectives by Robert Keith Johnson, Merrill Swain, Michael H. Long, Jack C. Richards
 ISBN: 0521583853
 Publisher: Cambridge University Press
 Pub. Date: 13 July, 1997
 List Price: $64.95
 Amazon.com Price: $64.95
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| 2. 
  |  | Title: Report on the U.S. Geological Survey's evaluation program for standard reference samples distributed in May 1995 T-135 (trace constituents), M-134 (major constituents), N-45 (nutrients), N-46 (nutrients), P-24 (low ionic strength), Hg-20 (mercury), and SED-5 (bed material) (SuDoc I 19.76:95-395) by H. Keith Long
 ISBN: B00010T66I
 Publisher: U.S. Dept. of the Interior, U.S. Geological Survey Books and Open-File Reports [distributor]
 Pub. Date: 1995
 
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| 3. 
  |  | Title: U.S. Geological Survey Standard Reference Sample Project--performance evaluation of analytical laboratories (SuDoc I 19.127:031-98) by H. Keith Long
 ISBN: B00010WRAA
 Publisher: U.S. Geological Survey, U.S. Dept. of the Interior
 Pub. Date: 1998
 
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| 4. 
  |  | Title: Report on the U.S. Geological Survey's evaluation program for standard reference samples distributed in April 1992 T-119 (trace constituents), M-122 (major constituents), N-34 (nutrients), N-35 (nutrients), Hg-14 (mercury) (SuDoc I 19.76:92-164) by H. Keith Long
 ISBN: B0001161N8
 Publisher: U.S. Geological Survey Books and Open-File Reports [distributor]
 Pub. Date: 1992
 
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| 5. 
  |  | Title: Report on the U.S. Geological Survey's evaluation program for standard reference samples distributed in October 1992, T-121 (trace constituents), M-124 (major constituents), N-36 (nutrients), N-37 (nutrients),   P-19 (low ionic strength) and Hg-15 (mercury) (SuDoc I 19.76:93-32) by H. Keith Long
 ISBN: B00010I4AW
 Publisher: Dept. of the Interior, U.S. Geological Survey Books and Open-File Reports [Section, distributor]
 Pub. Date: 1993
 
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| 6. 
  |  | Title: The Second Language Curriculum by Robert Keith Johnson, Michael H. Long, Jack C. Richards
 ISBN: 0521361567
 Publisher: Cambridge University Press
 Pub. Date: 27 April, 1989
 List Price: $52.95
 Amazon.com Price: $52.95
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| 7. 
  |  | Title: Report on the U.S. Geological Survey's evaluation program for standard reference samples distributed in October 1994 T-131 (trace constituents), T-133 (trace constituents), M-132 (major constituents), N-43 (nutrients), N-44 (nutrients), P-23 (low ionic strength) and Hg-19 (mercury) (SuDoc I 19.76:95-117) by H. Keith Long
 ISBN: B00010T974
 Publisher: Dept. of the Interior, U.S. Geological Survey Books and Open-File Reports [distributor]
 Pub. Date: 1995
 
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