Some interesting old articles on real estate investing - from 70 or more years ago:
Renovating: http://trove.nla.gov.au/ndp/del/article/36802044?searchTerm=real estate investment&searchLimits=
Investing by the sea (1924): http://trove.nla.gov.au/ndp/del/article/57894937?searchTerm=real estate investment&searchLimits=
Real estate for investment or speculation (1924): http://trove.nla.gov.au/ndp/del/article/31234180?searchTerm=real estate investment&searchLimits=
Real estate will always pay (1929): http://trove.nla.gov.au/ndp/del/article/59853192?searchTerm=real estate investment&searchLimits=
Moving from stocks to real estate (1938): http://trove.nla.gov.au/ndp/del/article/11164828?searchTerm=real estate investment&searchLimits=
Investing in villa flats: (1940): http://trove.nla.gov.au/ndp/del/article/11317055?searchTerm=real estate investment&searchLimits=
There might not be as many specialist magazines as now but newspapers back then had better articles.
Renovating: http://trove.nla.gov.au/ndp/del/article/36802044?searchTerm=real estate investment&searchLimits=
Investing by the sea (1924): http://trove.nla.gov.au/ndp/del/article/57894937?searchTerm=real estate investment&searchLimits=
Real estate for investment or speculation (1924): http://trove.nla.gov.au/ndp/del/article/31234180?searchTerm=real estate investment&searchLimits=
Real estate will always pay (1929): http://trove.nla.gov.au/ndp/del/article/59853192?searchTerm=real estate investment&searchLimits=
Moving from stocks to real estate (1938): http://trove.nla.gov.au/ndp/del/article/11164828?searchTerm=real estate investment&searchLimits=
Investing in villa flats: (1940): http://trove.nla.gov.au/ndp/del/article/11317055?searchTerm=real estate investment&searchLimits=
There might not be as many specialist magazines as now but newspapers back then had better articles.