What is the safest and simplest way to remove rock from an old house?

We are remodling an old rock house and we need the fastest and fastest way to move the rock without damaging the house itself. My husband and I are removing the rock ourselves. Is there some equipment that we need other than a sledge hammer and crow bar.What is the safest and simplest way to remove rock from an old house?
If you are intending to remove a large quanity you will want to use a masonry saw to remove the compound between the stones, these are usually quite expensive, and you will probably need both a large(a little bigger than a circular saw) and a small one(about the size of a hand held angle grinder. These saws are usually available though rental outlets, which considering the cost is probably the most practical solution. They will save a lot of chipping damage to the structure, not to mention a lot of sore muscles from hammering.What is the safest and simplest way to remove rock from an old house?
bwith a big shovel made of poopy