Latvijas PSR Zinatnu akademias Radioastrofizikas observatorijas biletens
Leaflets [Armaagh Observatory]
Leonardo
Lettera Pristem
Lick Observatory Bulletins
Lingua Nostra
Linux & Co.
Literarisches Beiblatt zu den Astronomischen Nachrichten
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Logos. Rivista Internazionale di Filosofia
Luz