15 May 2007
13 May 2007
5 April 2007
4 December 2006
3 November 2006
1 November 2006
28 September 2005
8 August 2005
Elfrieda H. Hiebert was a presenter at the 2nd Annual Lexile National Reading Conference in 2005.
13 May 2005
9 May 2005
13 May 2005
23 January 2005
Elfrieda H. Hiebert presented the concluding remarks at the California Vocabulary Forum in 2005.