diff --git a/src/mwfin/constants.py b/src/mwfin/constants.py
new file mode 100644
index 0000000..b39a482
--- /dev/null
+++ b/src/mwfin/constants.py
@@ -0,0 +1,209 @@
+# All items marked `False` do not need to be scraped
+# because they are calculated from other items (e.g. growth or ratios).
+FINANCIAL_STATEMENT_ITEMS = {
+    #################
+    # Balance Sheet #
+    #################
+    "Cash & Short Term Investments": True,
+    "Cash & Short Term Investments Growth": False,
+    "Cash Only": True,
+    "Short-Term Investments": True,
+    "Cash & ST Investments / Total Assets": False,
+    "Total Accounts Receivable": True,
+    "Total Accounts Receivable Growth": False,
+    "Accounts Receivables, Net": True,
+    "Accounts Receivables, Gross": True,
+    "Bad Debt/Doubtful Accounts": True,
+    "Other Receivable": True,
+    "Accounts Receivable Turnover": False,
+    "Inventories": True,
+    "Finished Goods": True,
+    "Work in Progress": True,
+    "Raw Materials": True,
+    "Progress Payments & Other": True,
+    "Other Current Assets": True,
+    "Miscellaneous Current Assets": True,
+    "Total Current Assets": True,
+    "Net Property, Plant & Equipment": True,
+    "Property, Plant & Equipment - Gross": True,
+    "Buildings": True,
+    "Land & Improvements": True,
+    "Computer Software and Equipment": True,
+    "Other Property, Plant & Equipment": True,
+    "Accumulated Depreciation": True,
+    "Total Investments and Advances": True,
+    "Other Long-Term Investments": True,
+    "Long-Term Note Receivables": True,
+    "Intangible Assets": True,
+    "Net Goodwill": True,
+    "Net Other Intangibles": True,
+    "Other Assets": True,
+    "Total Assets": True,
+    "Total Assets Growth": False,
+    "ST Debt & Current Portion LT Debt": True,
+    "Short Term Debt": True,
+    "Current Portion of Long Term Debt": True,
+    "Accounts Payable": True,
+    "Accounts Payable Growth": False,
+    "Income Tax Payable": True,
+    "Other Current Liabilities": True,
+    "Dividends Payable": True,
+    "Accrued Payroll": True,
+    "Miscellaneous Current Liabilities": True,
+    "Total Current Liabilities": True,
+    "Long-Term Debt": True,
+    "Long-Term Debt excl. Capitalized Leases": True,
+    "Non-Convertible Debt": True,
+    "Convertible Debt": True,
+    "Capitalized Lease Obligations": True,
+    "Provision for Risks & Charges": True,
+    "Deferred Taxes": True,
+    "Deferred Taxes - Credits": True,
+    "Deferred Taxes - Debit": True,
+    "Other Liabilities": True,
+    "Other Liabilities (excl. Deferred Income)": True,
+    "Deferred Income": True,
+    "Total Liabilities": True,
+    "Non-Equity Reserves": True,
+    "Total Liabilities / Total Assets": False,
+    "Preferred Stock (Carrying Value)": True,
+    "Redeemable Preferred Stock": True,
+    "Non-Redeemable Preferred Stock": True,
+    "Common Equity (Total)": True,
+    "Common Equity / Total Assets": False,
+    "Common Stock Par/Carry Value": True,
+    "Retained Earnings": True,
+    "ESOP Debt Guarantee": True,
+    "Cumulative Translation Adjustment/Unrealized For. Exch. Gain": True,
+    "Unrealized Gain/Loss Marketable Securities": True,
+    "Revaluation Reserves": True,
+    "Treasury Stock": True,
+    "Total Shareholders' Equity": True,
+    "Total Shareholders' Equity / Total Assets": False,
+    "Accumulated Minority Interest": True,
+    "Total Equity": True,
+    "Liabilities & Shareholders' Equity": True,
+
+    ####################
+    # Income Statement #
+    ####################
+    "Sales/Revenue": True,
+    "Sales Growth": False,
+    "Cost of Goods Sold (COGS) incl. D&A": True,
+    "COGS Growth": False,
+    "COGS excluding D&A": True,
+    "Depreciation & Amortization Expense": True,
+    "Depreciation": True,
+    "Amortization of Intangibles": True,
+    "Gross Income": True,
+    "Gross Income Growth": False,
+    "Gross Profit Margin": False,
+    "SG&A Expense": True,
+    "SGA Growth": False,
+    "Research & Development": True,
+    "Other SG&A": True,
+    "Other Operating Expense": True,
+    "Unusual Expense": True,
+    "EBIT after Unusual Expense": True,
+    "Non Operating Income/Expense": True,
+    "Non-Operating Interest Income": True,
+    "Equity in Affiliates (Pretax)": True,
+    "Interest Expense": True,
+    "Interest Expense Growth": False,
+    "Gross Interest Expense": True,
+    "Interest Capitalized": True,
+    "Pretax Income": True,
+    "Pretax Income Growth": False,
+    "Pretax Margin": False,
+    "Income Tax": True,
+    "Income Tax - Current Domestic": True,
+    "Income Tax - Current Foreign": True,
+    "Income Tax - Deferred Domestic": True,
+    "Income Tax - Deferred Foreign": True,
+    "Income Tax Credits": True,
+    "Equity in Affiliates": True,
+    "Other After Tax Income (Expense)": True,
+    "Consolidated Net Income": True,
+    "Minority Interest Expense": True,
+    "Net Income": True,
+    "Net Income Growth": False,
+    "Net Margin Growth": False,
+    "Extraordinaries & Discontinued Operations": True,
+    "Extra Items & Gain/Loss Sale Of Assets": True,
+    "Cumulative Effect - Accounting Chg": True,
+    "Discontinued Operations": True,
+    "Net Income After Extraordinaries": True,
+    "Preferred Dividends": True,
+    "Net Income Available to Common": True,
+    "EPS (Basic)": True,
+    "EPS (Basic) Growth": False,
+    "Basic Shares Outstanding": True,
+    "EPS (Diluted)": True,
+    "EPS (Diluted) Growth": False,
+    "Diluted Shares Outstanding": True,
+    "EBITDA": True,
+    "EBITDA Growth": False,
+    "EBITDA Margin": False,
+
+    #######################
+    # Cash Flow Statement #
+    #######################
+    "Net Income before Extraordinaries": True,
+    # "Net Income Growth": False,
+    "Depreciation, Depletion & Amortization": True,
+    "Depreciation and Depletion": True,
+    "Amortization of Intangible Assets": True,
+    "Deferred Taxes & Investment Tax Credit": True,
+    # "Deferred Taxes": True,
+    "Investment Tax Credit": True,
+    "Other Funds": True,
+    "Funds from Operations": True,
+    "Extraordinaries": True,
+    "Changes in Working Capital": True,
+    "Receivables": True,
+    # "Accounts Payable": True,
+    "Other Assets/Liabilities": True,
+    "Net Operating Cash Flow": True,
+    "Net Operating Cash Flow Growth": False,
+    "Net Operating Cash Flow / Sales": False,
+    "Capital Expenditures": True,
+    "Capital Expenditures Growth": False,
+    "Capital Expenditures / Sales": False,
+    "Capital Expenditures (Fixed Assets)": True,
+    "Capital Expenditures (Other Assets)": True,
+    "Net Assets from Acquisitions": True,
+    "Sale of Fixed Assets & Businesses": True,
+    "Purchase/Sale of Investments": True,
+    "Purchase of Investments": True,
+    "Sale/Maturity of Investments": True,
+    "Other Uses": True,
+    "Other Sources": True,
+    "Net Investing Cash Flow": True,
+    "Net Investing Cash Flow Growth": False,
+    "Net Investing Cash Flow / Sales": False,
+    "Cash Dividends Paid - Total": True,
+    "Common Dividends": True,
+    # "Preferred Dividends": True,
+    "Change in Capital Stock": True,
+    "Repurchase of Common & Preferred Stk.": True,
+    "Sale of Common & Preferred Stock": True,
+    "Proceeds from Stock Options": True,
+    "Other Proceeds from Sale of Stock": True,
+    "Issuance/Reduction of Debt, Net": True,
+    "Change in Current Debt": True,
+    "Change in Long-Term Debt": True,
+    "Issuance of Long-Term Debt": True,
+    "Reduction in Long-Term Debt": True,
+    # "Other Funds": True,
+    # "Other Uses": True,
+    # "Other Sources": True,
+    "Net Financing Cash Flow": True,
+    "Net Financing Cash Flow Growth": False,
+    "Net Financing Cash Flow / Sales": False,
+    "Exchange Rate Effect": True,
+    "Miscellaneous Funds": True,
+    "Net Change in Cash": True,
+    "Free Cash Flow": True,
+    "Free Cash Flow Growth": False,
+    "Free Cash Flow Yield": False,
+}