fields.py

import requests, json, csv

r = json.loads(requests.get('https://catalog.archives.gov/api/v1?naIds=10534724').text)

for key0 in r['opaResponse']['results']['result'][0].keys():
	print key0
	try:
		for key1 in r['opaResponse']['results']['result'][0][key0].keys():
			print key0 + '.' + key1
			try:
				for key2 in r['opaResponse']['results']['result'][0][key0][key1].keys():
					print key0 + '.' + key1 + '.' + key2
					try:
						for key3 in r['opaResponse']['results']['result'][0][key0][key1][key2].keys():
							print key0 + '.' + key1 + '.' + key2 + '.' + key3
							try:
								for key4 in r['opaResponse']['results']['result'][0][key0][key1][key2][key3].keys():
									print key0 + '.' + key1 + '.' + key2 + '.' + key3 + '.' + key4
									try:
										for key5 in r['opaResponse']['results']['result'][0][key0][key1][key2][key3][key4].keys():
											print key0 + '.' + key1 + '.' + key2 + '.' + key3 + '.' + key4 + '.' + key5
											try:
												for key6 in r['opaResponse']['results']['result'][0][key0][key1][key2][key3][key4][key5].keys():
													print key0 + '.' + key1 + '.' + key2 + '.' + key3 + '.' + key4 + '.' + key5 + '.' + key6
											except AttributeError:
												continue
									except AttributeError:
										continue
							except AttributeError:
								continue
					except AttributeError:
						continue	
			except AttributeError:
				continue	
	except AttributeError:
		continue