As with many of the other tools in Common LispWorks, you can sort the items in any of the lists or graphs of the Class Browser using the Preferences dialog. Choose Window > Window Preferences... or click in the Class Browser to display this dialog.
Figure 7.4 Setting Class Browser preferences
Under the General tab, there are three options for sorting items, listed in the Sort panel.
For more information on sorting items, see Sorting items in views.