After comparatives followed by than the words any and all should be followed by other.
"Practical Grammar and Composition"
Thomas Wood
All adjectives may be compared by more and most, even when they have comparatives and superlatives regularly formed; as, fair, fairer, or more fair; fairest, or most fair.
"A Grammar of the English Tongue"
Samuel Johnson
Now it is very evident, that, if the other ordinals be either comparatives or superlatives, they must be so, not as compared with one another, but as compared with their respective cardinals.
"The English Language"
Robert Gordon Latham