💥➡️🪱

#cause and effect #problem tracing #origin of problem #source identification #core reason

📖A

#siglum #manuscript studies #textual criticism #source identification #abbreviation #codicology

💡🔗📜

#historical context #source identification #understanding allusion

🆔→📄

#source identification #citing document #referencing author #information source #linking name #identity source

📦🏷️「」

#labeled original #archive box #source identification #physical archive #item classification

⛓️→🎯

#chain of causation #source identification #pinpointing cause #failure analysis #event chain