Any idea where I can find these, please?
2016 and onwards: You can find the guidelines answers and questions for previous year’s exams by visiting your Candidate Resources. Alternatively, you can go directly to https://www.cfainstitute.org/programs/cfa/candidate/level-iii-essay-exam
Other: Analystforum have one thread called CFA Level 3 AM 1999-2017 exams