Which religious publishing innovation first successfully implemented the 'parallel text' format, placing original language and translation side-by-side for enhanced study?

In today's interconnected world, religious and philosophical texts are increasingly available through various digital platforms and innovative packaging. Publishers and spiritual organizations have embraced technology to make ancient wisdom more accessible. This poll tests your knowledge about a significant innovation in religious text distribution that revolutionized accessibility for believers worldwide.

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The Koren Jerusalem Bible (1962), featuring Hebrew and English on facing pages
The Interlinear Bhagavad Gita (1985), with Sanskrit above word-for-word English translations
The Thompson Chain Reference Bible (1908), with marginal references and original Greek
The Bilingual Quran Project (1975), with Arabic and translated text in mirrored columns