- 1798 – “A School Dictionary” (Samuel Johnson Jr.)
- 1828 – “American Dictionary of the English Language” (Noah Webster)
-attempts to simplify the spelling and pronunciation
-provides definitions, etymology, explanations about things named
- 1891 - “Century Dictionary”
- 1895 – “Funk and Wagnalls New Standard Dictionary”
- 1967 – “Random House Dictionary of the English Language”
Main problems of lexicography:
-number of dictionary entries
-selection of head words
-arrangement and contents of the vocabulary entry
-definitions in a unilingual dictionary
