If you absolutely insist on hunting for a free PDF, look for these signs:

Below is a paper discussing the significance of this work, the challenges of its digital preservation, and its impact on culinary scholarship.

No.

Pursuing a "fixed" pirate PDF is risky. You expose yourself to malware (fake PDFs are a top vector for ransomware) and potential legal notices from your ISP. More importantly, you cheat the authors and editors who maintain this legacy.