United States. War Department, Dictionary of Spoken Russian — §2… (1945)
“ Russian writing and printing, like English, fails to show the place of the stress. In books like the present one, which are intended for non-Russian students, the stress, is indicated by an accent mark, and by two dots over the letter e when it has the value of accented [é] : мука [muka] "torment," мука [muka] "flour," ковёр [kavjor] "rug." ”
