Step 1:
Vaiyākaranasiddhāntakaumudi, Śabdakaustubha, Sārasiddhäntakaumudi, and Aştādhyāyī are grammatical texts.
Step 2:
Abhijñānaśākuntalam is a Sanskrit drama by Kālidāsa.
Step 3:
Thus, option C should not be included.
Step 4:
Hence, the correct set is:
\[
A,\; B,\; D,\; E
\]
Therefore, the correct answer is:
\[
\boxed{\text{(2) A, B, D, E Only}}
\]