K.C. Pandey, Abhinavagupta: An Historical and Philosophical Study (Varanasi 1935, reprint 1963).
Sunthar, Abhinavagupta's Conception of Humor: Its Resonances in Sanskrit Drama, Poetry, Hindu Mythology & Spiritual Praxis, PhD dissert., Benares Hindu University (1983). This dissertation has all, or mostly, been posted on the internet at: http://www.svabhinava.org/HumorPhd.
Christopher Wallis, The Descent of Power: Possession, Mysticism, and Initiation in the Śaiva Theology of Abhinavagupta, Journal of Indian Philosophy, issue for 2008? (Online First).
Verhagen, HSGL, vol. 2, pp. 266, 273.
Bibliography:
Bṛhadvimarśinī.
Raffaele Torella, The Word in Abhinavagupta's Bṛhad-Vimarśinī, contained in: Raffaele Torella, et al., eds., Le parole e i marmi. Studi in onore di Raniero Gnoli, Serie Orientale Roma series no. 92, Istituto Italiano per l'Africa e l'Oriente (Rome 2001), pp. 853-874.
Īśvarapratyabhijñāvivṛtivimarśinī.
Madhusudan Kaul Shastri, Āśvarapratyabhijñāvivṛtivimarśinī, Śrīmadabhinavaguptaviracitā, Jammu and Kashmir Government Research Department (Srinagar 1938-1943).
Paramārthasāra.
Lyne Bansat-Boudon & Kamalesha Datta Tripathy, An Introduction to Tantric Philosophy: The Paramārthasāra of Abhinavagupta and Its Commentary by Yogarāja, Routledge (London 2010), in ca. 256 pages.
Parātrīśikāvivaraṇa.
Parātrīśikā-Vivaraṇa: The Secret of Tantric Mysticism, tr. by Jaideva Singh, ed., Bettina Baümer (Delhi 2003, reprint). Commentary on a short tantra entitled Parātrīśikā.
Tantrāloka.
John R. Dupuche, Abhinavagupta: The Kula Ritual as Elaborated in Chapter 29 of the Tantrāloka, Motilal Banarsidass (Delhi 2003).
Tantravaṭadhānikā.
This work is a brief epitome of the Tantrāloka. Francesco Sferra, La Tantravaṭadhānikā di Abhinavagupta, contained in: Raffaele Torella, et al., eds., Le parole e i marmi. Studi in onore di Raniero Gnoli, Serie Orientale Roma series no. 92, Istituto Italiano per l'Africa e l'Oriente (Rome 2001), pp. 743-769. Sanskrit text and Italian translation.
Tantroccaya.
F. Sferra, The Tantroccaya by Abhinavagupta: An English Translation, Annali dell'Istituto Orientale, vol. 59 (1999), pp. 109-133.