'Quaestionam' consists of the Latin word 'quaestio', being the root of the English words 'quest' and 'question', and the Sanskrit postfix '-am'. With the Latin word a narrative affinity with Christianity is indicated, in which Latin is a liturgic language, and with the Sanskrit postfix a narrative affinity with Hinduism is indicated, in which Sanskrit is the sacred language.
Under 'Quaestionam' quests are undertaken by questioners and the author.
| Author | Series | Title | Language | Index |
| Arvindus | Quaestionam | How Can the Concepts of Black and White Magic Be Understood? | English | 202304301 |
| Arvindus | Quaestionam | What is the Difference Between the Mental Unit and the Mental Permanent Atom? | English | 202304131 |
| Arvindus | Quaestionam | Can the Mental Unit Rise to the Flame of the Egoic Lotus? | English | 202101041 |