Devi Bhagavatam

+ Book 11

. Chapter 16 - On the description of Sandhyā Upāsānā

. Chapter 17 - On the description of Sandhyā and other daily practices

. Chapter 18 - On the Greatness of the Devī Pūjā

. Chapter 19 - On the midday Sandhyā

. Chapter 20 - On the description of Brahmā Yajñā, Sandhyās, etc.

. Chapter 21 - On Gāyatrī Puraścaraṇam

. Chapter 22 - On the rules of Vaiśvadeva

. Chapter 23 - On the Tapta Kṛcchra vrata and others

. Chapter 24 - On Sadācāra

+ Book 12

. Chapter 1 - On the description of Gāyatrī

. Chapter 2 - On the description of the Śaktis, etc., of the syllables of Gāyatrī

. Chapter 3 - On the description of the Kavaca of Śrī Gāyatrī Devī

. Chapter 4 - On Gāyatrī Hridaya

. Chapter 5 - On the Gāyatrī Stotra

. Chapter 6 - On the one thousand and eight names of the Gāyatrī

. Chapter 7 - On the Dīkṣā vidhi or on the rules of Initiation 

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